Malicious PDF / .VIR — malware analysis report

Static analysis result for SHA-256 74971883c962a146…

MALICIOUS

PDF / .VIR

666.1 KB Created: 2024-03-02 12:23:41 Authoring application: Mobipocket Creator First seen: 2024-07-14
MD5: 89792cc1061c5c58cbde8c54bf029f59 SHA-1: 72180e9e740c779ee00b21033add74318a3c2283 SHA-256: 74971883c962a1460b222d642cf1ac204c0d9d4624091e68160c94b3f908327f
146 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains a high-risk heuristic firing for a random URL link, directing users to a potentially malicious domain. The ClamAV detection further confirms its malicious nature, identifying it as Pdf.Phishing.Trojan. The presence of multiple obfuscated URLs suggests an attempt to deliver a secondary payload or conduct phishing activities. The document's structure also indicates evasion techniques.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3543

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • Clickable PDF combines external action with parser-evasion structure high PDF_ACTION_PARSER_EVASION
    PDF has an external clickable URI together with object graph or xref structures that make parsers disagree, such as divergent duplicate objects, parser divergence, or xref offset mismatch. That combination is stronger than a plain link: the document is both an outward-action carrier and a parser-confusion/evasion sample.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://mailchimp.ukauthority.com/image/getclick?src=https://www.ukauthority.com/media/10618/20119-web-banner-250x250.jpg&destination=https://himgirisamachar.com/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://vuxivawanamujap.skyangelus.com/f/56911259&utm_medium=cta&utm_campaign=IMPULSE_Nexus&utm_term=paid In PDF document text
    • https://www.vbweb.com.br/links_redir.asp?CodigoLink=474&Link=https://nf-rugby.com/js/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://tabasosipaxu.manabi-subete.com/f/43863In PDF document text
    • https://club.tgfcer.com/r.php?todo=https://stiglic.sk/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://jepuxos.supremainmobiliaria.com/f/11509059In PDF document text
    • http://povoda.net/gout?id=82&url=https://hurricaneracing.com/admin/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://dafiwizifu.sharynideas.com/f/4458In PDF document text
    • http://www.healingcentre.com.hk/acms/ChangeLang.asp?lang=chs&url=https://go.pittstate.edu/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://widunefuginusij.skyangelus.com/f/523372977In PDF document text
    • https://oboiburg.ru/go.php?url=https://uploads-ssl.webflow.com/65fffa6520ce314b47d38114/6634037b2f0b16f3e81f77d6_58909098510.pdfIn PDF document text
    • https://biocronometer.com/de/bio.php?linkto=https://zweefvlieg.net/FCKeditor/editor/filemanager/browser/default/browser.html?Connector=https://segave.sharynideas.com/f/31607&hl=deIn PDF document text
    • http://www.grupoplasticosferro.com/setLocale.jsp?language=pt&url=https://kingfin.net/admin/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://lezodos.sentineltr.com/f/70193In PDF document text
    • https://rcsearch.ru/c/?u=https://midst.sabanciuniv.edu/admin/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://bamofud.gmcalaya.com/f/4674In PDF document text
    • http://notebook77.ru/bitrix/click.php?anything=here&goto=https://uploads-ssl.webflow.com/65f001bf616dbf0a1682d1e5/66340247a7f380067f60c89d_peterola.pdfIn PDF document text
    • http://www.ocasionoferta.es/boletines/estadisticas/estadisticas-enlaces.php?btn=66&emp=&eml=&inf=124&url=https://o2procare.com/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://gesudagifodat.mytickethomeband.com/f/353662389In PDF document text
    • https://forsto.ru/bitrix/redirect.php?goto=https://uploads-ssl.webflow.com/65f00346df6a2e0ba516f40e/663402012f0b16f3e81df237_88180879717.pdfIn PDF document text
    • https://www.bebeshka.info/out.php?to=https://mybusinessdev.fiu.edu/cfide/scripts/ajax/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://movolaxuzi.club-directory.com/f/13799In PDF document text
    • https://parnas-it.com/bitrix/redirect.php?goto=https://lawnetportal.law.columbia.edu/html/js/editor/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://doxajejafo.salvaralbucardo.com/f/18803298In PDF document text
    • https://www.ronl.org/redirect?url=https://khoatri.com/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://pokimef.ibcphoenix.com/f/38996In PDF document text
    • https://www.hseexpert.com/ClickCounter.ashx?url=https://happypetvet.com/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://menidukiwo.gmcalaya.com/f/82709210In PDF document text
    • http://www.ladas.gr/pharma/getdata/redirect.aspx?URL=https://uploads-ssl.webflow.com/65f01c958bdf0ab504701a4c/663402dab674184bd5e6ce4b_4803038259.pdfIn PDF document text
    • http://www.smilingdeath.com/RigorSardonicous/guestbook/go.php?url=https://linkage-llc.com/common/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://morodira.club-directory.com/f/76862942In PDF document text
    • https://norma-t.ru/bitrix/click.php?anything=here&goto=https://gtcwaterservices.com/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://bazorat.club-directory.com/f/89929In PDF document text
    • https://dsx-kirov.ru/bitrix/redirect.php?goto=https://goslingroadvet.com/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://vukotofudima.gmcalaya.com/f/79639430In PDF document text
    • https://rattspsyk.registercentrum.se/download?fileUrl=https://online.uas.alaska.edu/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://serezolofir.gmcalaya.com/f/21273813In PDF document text
    • https://msal.me/bitrix/redirect.php?goto=https://regenbogen-tirol.com/includes/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://fajokolitif.theplazahotelbalanga.com/f/794896303In PDF document text
    • http://www.xxxmaturevids.net/cgi-bin/out.cgi?s=100,40&u=https://assets.website-files.com/65e888b5254184569e9bdd13/663402c31891156225ed02de_87062392301.pdfIn PDF document text
    • https://ribalka24.ru/bitrix/redirect.php?event1=click_to_call&event2=&event3=&goto=https://n2nlah.org/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://fenuxovusimuna.sentineltr.com/f/6357In PDF document text
    • https://chop.me.uk/booking?nearcut_url=https://lib.bsu.edu/common/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://banuf.skyangelus.com/f/99522In PDF document text
    • http://redirect.me/?https://my.curry.edu/html/js/editor/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://kimow.sharynideas.com/f/11666912In PDF document text
    • https://www.gratisgames24.ch/android_preregister.php?preregister_id=8&preregister_link=https://assets.website-files.com/65ffeb86bc476042edcd087b/663402a3a3d44ed5d2fde027_puzinimazepuseda.pdfIn PDF document text
    • https://www.pushtech.com/landings/64674b9dbf24930001cc056f/redirect_to?pshInstanceID=1edf62a5-1921-4d80-a313-4d3d82b604fe&url=https://uploads-ssl.webflow.com/65e87f56e7f3910126edaacc/663402d2316b5c1df717190d_91292397757.pdfIn PDF document text
    • http://www.vastcon.com.tw/admin/Portal/LinkClick.aspx?tabid=93&table=Links&field=ItemID&id=272&link=https://rimak.net/cfide/scripts/ajax/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://pikuselagerulak.skyangelus.com/f/33111In PDF document text
    • https://www.yavedo.com/go/?to=https://ilovepeelvillage.com/admin/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://razemebumu.sentineltr.com/f/56970099In PDF document text
    • https://nycpodcastnetwork.com/nycpnut/?ty=dl&ppi=28512&url=https://heartofankeny.com/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://funiwigul.sentineltr.com/f/28209In PDF document text
    • https://all4cms.ru/goto.php?to=https://uploads-ssl.webflow.com/66001ce54d84bb580d8d721b/663403245a821c98f9ec871f_44758888250.pdfIn PDF document text
    • https://24.mk/ad.php?id=63f484b83b495c03d060d687&l=https://uploads-ssl.webflow.com/65ffd2a5120ce918308a1091/6634023d2f0b16f3e81e1c27_40438905588.pdfIn PDF document text
    • https://www.rudetrans.ru/bitrix/redirect.php?event1=news_out&event2=https://kelvinindia.net/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://timujo.manabi-subete.com/f/604473807&event3=Rudetrans&goto=https://kelvinindia.net/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://timujo.manabi-subete.com/f/604473807In PDF document text
    • https://www.mac52ipod.cn/urlredirect.php?go=https://hotelnapraforgo.napraforgopanzio.hu/include/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://fizegowagida.thiranmanamalai.com/f/58020In PDF document text
    • https://herbmag.ru/goto/https://languagescience.umd.edu/sites/all/libraries/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://vajosipazul.supremainmobiliaria.com/f/26665238In PDF document text
    • https://www.jornaldanova.com.br/clickbanner?id=252&url=https://apollos.edu/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://limurita.gfxtoolkit.com/f/96272In PDF document text
    • https://access.campagon.se/sts/stat?type=57&objid=83398&resid=173&url=https://mymc.glb.montgomerycollege.edu/html/js/editor/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://tabemivije.club-directory.com/f/93019101In PDF document text
    • http://cmk.su/go.php?url=https://griswoldremgmt.com/js/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://mowodamorowuf.sentineltr.com/f/45722339In PDF document text
    • http://www.payakorn.com/astrolinkto.php?lid=32558&linkto=https://www.colin.edu/cfide/scripts/ajax/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://lipidajoteki.sharynideas.com/f/58290162&month=05-12-2020&group=23&gblog=1In PDF document text
    • http://www.lacortedelsiam.it/guestbook/go.php?url=https://iconnect.mwcc.edu/html/js/editor/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://jifaxuza.salvaralbucardo.com/f/20430In PDF document text
    • https://www.masculist.ru/go/url=https://assets.website-files.com/65f03d2790f2409104e5b6b8/663403781198af6274c9c063_rekuxenu.pdfIn PDF document text
    • http://www.travelcenter.gr/index.php?lang=ger&url=https://uploads-ssl.webflow.com/65e87c59c173c4626d91c75a/66340283a2a7a1d4415c276d_buxobobunepakudunuxovu.pdfIn PDF document text
    • https://www.kolibriexpeditions.com/redirect.aspx?link=https://assets.website-files.com/65f04099cf811aed5d6add16/663402b89391e9d2cccf2d9c_tapurova.pdfIn PDF document text
    • http://bannersystem.zetasystem.dk/Click.aspx?id=94&url=https://greenmountainvet.com/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://nomedojov.palsaikbbq.com/f/43038In PDF document text
    • https://curlingsupplies.com/accept-cookies.php?kwgca=1&returnpath=https://www.palmaeduca.cat/p_activitats/assets/js/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://juxatep.club-directory.com/f/25207In PDF document text
    • https://www.gi-online.net/?download=1&kccpid=2448&kcccount=https://hiddenrome.com/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://gixilidozezop.sharynideas.com/f/188430199In PDF document text
    • https://redirect.pttnews.cc/link?url=https://campus.murraystate.edu/cfide/scripts/ajax/fckeditor/editor/filemanager/browser/default/browser.html?Connector=https://bowuviweretu.mytickethomeband.com/f/29278496In PDF document text
    • http://veryoldgranny.net/cgi-bin/atc/out.cgi?s=55&l=gallery&u=https://uploads-ssl.webflow.com/65e87a5ceb7ca38b14d0ee4e/663402099e17825ba481ad20_4203505619.pdfIn PDF document text
    • http://speakrus.ru/links.php?go=https://uploads-ssl.webflow.com/66003dcbe9c8c8213474c422/6634025804e56d1e5f7dbce4_36404920819.pdfIn PDF document text
    +21 more URL(s)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000a07c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA07C2 18144 bytes
SHA-256: aa3ca8776076ce857118ff45bbe0d75d319a951a75acb70ee96c4a1e6ee32b45
font_01_sfnt_off000a380d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA380D 11908 bytes
SHA-256: 8d639c4dccc2d57b231017805edd259836b8c34e03a33165391bb6730d31f9e0