Malicious PDF / .VIR — malware analysis report

Static analysis result for SHA-256 2753105e6e6261bc…

MALICIOUS

PDF / .VIR

323.0 KB Created: 2024-03-20 05:38:39 Authoring application: PDFedit First seen: 2024-05-07
MD5: 82c32522c5b27171eeb1453b08871016 SHA-1: 734371b6ebea246bbcd9a21f1ef0235e453445cc SHA-256: 2753105e6e6261bc6d2187120df883dd8fa106f9ffbe82e5b17fc664a06d585e
196 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9926

Heuristics 7

  • 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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.
  • Travel-support phone-number stuffing scam high SE_TRAVEL_SUPPORT_PHONE_SCAM
    Document repeats phone numbers in airline/travel/refund/support language, often across multiple regional phrasings. This matches SEO/support-scam PDFs that impersonate airlines or travel brands and route users to attacker-controlled call centers rather than a normal travel document.
  • 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://thenewindianexpresskozhikode.localnewspapers.today/jump.php?link=https://ahrensboeker-hof.de/wp-content/uploads/2024/02/5355.pdf&PublicationName=The%20New%20Indian%20Express%20Kozhikode&PublicationFileName=20122105tk&PublicationDate=2022-04-15%2000:00:00.000&CleanURL=thenewindianexpresskozhikode.localnewspapers.today&linkURL=https://ahrensboeker-hof.de/wp-content/uploads/2024/02/5355.pdf&PublicationSite=201 In PDF document text
    • https://affiliates2.findshare.com/pure_nectar/sbPREFILLED?url=https://uploads-ssl.webflow.com/65dcb2ddee877aa896217c0d/65f606e5dcc6871a21fa1712_vojololidoxegamajajof.pdfIn PDF document text
    • https://vogue.co.th/beauty/Home/Redirect?url=https://doresobe.online/wp-content/uploads/2024/01/vudap.pdfIn PDF document text
    • http://support.magnaflow.com/trackonlinestore.asp?storename=https://uploads-ssl.webflow.com/65f041555ae0673c01f87343/65f60c72b76fe4658a75574f_babumiguxipatewunis.pdfIn PDF document text
    • https://leadera.eu/redirect.php?url=https://assets.website-files.com/65f04a4d01431b2f667d0b2b/65f60a8053cdcc61b9f91a95_tasitufokuduraj.pdfIn PDF document text
    • http://pergone.ru/bitrix/click.php?anything=here&goto=https://assets.website-files.com/65f00a69b7e1e742d39f12df/65f60ec96725eda46346973e_dinekojukagumajevusis.pdfIn PDF document text
    • http://daisysoft.ru/bitrix/redirect.php?event1=click_to_call&event2=&event3=&goto=https://assets.website-files.com/65f043d4f92470129b4e5799/65f6199a53cdcc61b9064717_21835571637.pdfIn PDF document text
    • http://smetrical.com/change_language.asp?language_id=en&MemberSite_session=site_67875_&link=https://assets.website-files.com/65dcc39f31a0257a5ea6c960/65f60be72fada763e58510de_mevizarenuwojoditawinepow.pdfIn PDF document text
    • http://www.flygs.org/LinkClick.aspx?link=https://insotore.online/wp-content/uploads/2024/02/3580.pdfIn PDF document text
    • https://cpectehnika.ru/bitrix/click.php?goto=https://assets.website-files.com/65dc93ffa111397c2f3e605f/65f6079fb55bafaaa9af578c_zuwulikojifanenejobadivi.pdfIn PDF document text
    • https://iminco.net/tracking/iminco2014-track-forwards.php?bref=https://assets.website-files.com/65f03f30d64aca33ee1864a3/65f60cc853cdcc61b9fb4c2d_nezonina.pdf&feature=youtube_gdata_playerIn PDF document text
    • http://rc-cars.cz/redirect/?&banner=175&redirect=https://uploads-ssl.webflow.com/65f048d7dbf67697947e4375/65f613bac655e0d39358a3b0_73744829512.pdfIn PDF document text
    • https://vodawozale.foaptoa.com/777806216?lukatelasafitowirapawitozuzulowirokajapoduvesojalugaseturavuzezonudalawogelivotiburotovuwaropet=mugewoduxabewebomagufasarudajivojisaxalamukunepafewimanegizawasepomijugisexamokujukekejixotoxasefutagifisowulijizumumiwagegubowamikativafexalulizalorisadebokemolunetimuvixakewogoturavorarunopukudezojuwidagokab&keyword=iso+19001+pdf+free+download&guxovanekugozisexofajajunutelivap=lesewosotipuzivepulomazesisijawuruzuxexejopuwufefaxujoxaxeriwufamadafexepibapokirugomotusuninutinuxaderigikiwimafuwelevutulezakosolujelIn PDF document text
    • https://vodawozale.foaptoa.com/777806216?lukatelasafitowirapawitozuzulowirokajapoduvesojalugaseturavuzezonudalawogelivotiburotovuwaropet=mugewoduxabewebomagufasarudajivojisaxalamukunepafewimanegizawasepomijugisexamokujukekejixotoxasefutagifisowulijizumumiwagegubowamikativafexalulizalorisadebokemolunPDF link annotation
    • https://vodawozale.foaptoa.com/777806216?lukatelasafitowirapawitozuzulowirokajapoduvesojalugaseturavuzezonudalawogelivotiburotovuwaropet=mugewoduxabewebomagufasarudajivojisaxalamukunepafewimanegizawasepomijugisexamokujukekejixotoxasefutagifisowulijizumumiwagegubowamikativafexalulizalorisadebokemolunetimuvixakewogoturavorarunopukudezojuwidagokab&keyword=iso+19001+pdf+free+download&guxovanekugozisexofajajunutelivap=lesewosotipuzivepulomazesisijawuruzuxexejopuwufefaxujoxaxeriwufamadafexepibapokirugPDF link annotation
    • https://azby.fmworld.net/cgi-bin/common/rd.cgi?mc_pc=carousel&ctno=230831619236&url=https://assets.website-files.com/65f03f86eca8d8d1ed03b52c/65f60544f5d896dedb259fb5_zekadidisetawosiduw.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn extracted file (font_00_sfnt_off0004be03.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0004be03.bin)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0004be03.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4BE03 15352 bytes
SHA-256: fe6be301a2424eef4753745f094cb2f52dc6c2a7d376b514cf2bef0deac723e1
font_01_sfnt_off0004e51b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4E51B 11936 bytes
SHA-256: ffc9c47a3fb8c5445d525ae93ad63cfa4f3adc3e3b77a2d36fd4bd83a9ae5f5d