Malicious PDF / .VIR — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• PDF carries a PHP-gateway SEO-spam PDF link farm medium PDF_SEO_PHP_GATEWAY_LINK_FARM
  PDF contains four or more clickable links whose target is a `.php` gateway with a multi-word search-PHRASE document slug embedded after it (e.g. 'index.php?.../binary+options+trading+nz.pdf' or 'pdf.php/cialis-dosage-side-effects.pdf'). Legitimate PHP-served documents use a filename or numeric id, not a search-query phrase, so this is the generated SEO link-farm shape — pharma / binary-options / 'free download' spam that ranks for queries and routes users into payload/redirect chains. The PDF itself carries no exploit — the risk is the linked destinations.
• 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 http://yeolcoatl.net/tie/goVideo.php?id=JunioBonneyCross_0&url=https://5.imimg.com/data5/SELLER/Doc/2024/3/400092591/MA/MF/VD/216443138/loganenat.pdf In PDF document text

  • http://www.priguanajuato.org.mx/SaladePrensa/visita.aspx?y=34063&z=https://assets.website-files.com/65dc8f6b008098122e440156/65f318b16352185938925d61_pubajazekunofaxo.pdfIn PDF document text
  • http://chibicon.net/rank/out.php?out=https://5.imimg.com/data5/SELLER/Doc/2024/3/400097369/UJ/YQ/FX/216443374/3bc36f60-cee3-4d17-86a8-a06dc962e8bf.pdfIn PDF document text
  • http://sites.e-agents.com/cesarc/customRedirect.aspx?url=https://assets.website-files.com/65f0373f1b47532959512889/65f2fd0f585453346aefd52a_58887513271.pdf&pp=1048719In PDF document text
  • https://www.tennisboard.com/api/next/redirect?url=https://5.imimg.com/data5/SELLER/Doc/2024/3/400147106/UK/SE/KX/216443259/ff2bf168-d2c8-41ff-aedf-1c44e07fb80b.pdfIn PDF document text
  • https://www.aldopecora.it/?download=1&kccpid=485034&kcccount=https://assets.website-files.com/65dcb5c28b463f8217689735/65f2fa08d5867cee83d59c7a_15732065576.pdfIn PDF document text
  • http://upstartblogger.com/BlogDetails?bId=4981&Url=https://uploads-ssl.webflow.com/65dc8f6b008098122e440156/65f31a810ea2ec4aa5f3b190_63151158323.pdf&c=1In PDF document text
  • https://online.coppmo.ru/bitrix/redirect.php?goto=https://5.imimg.com/data5/SELLER/Doc/2024/3/400144432/OP/ZM/UZ/216442976/b1d2c410-e63a-4867-a907-11f16b43a060.pdfIn PDF document text
  • http://ofcoms.ru/bitrix/rk.php?id=17&site_id=s1&event1=banner&event2=click&goto=https://assets.website-files.com/65f02532631873adc719355f/65f3218086336dbba8831955_zalafazew.pdfIn PDF document text
  • https://www.renewsummit.org/external/url-redirect/?url=https://uploads-ssl.webflow.com/65dc9a32de5aeef10dce83e7/65f31c463430fc96a369a51e_mukufaxazuv.pdf&e=speaker&eid=226230In PDF document text
  • http://teenstunning.com/trd.php?linkout=https://uploads-ssl.webflow.com/65dcaba8cef5e66606462df2/65f317f44535e67c47998d04_31398455343.pdfIn PDF document text
  • http://www.balboa-island.com/index.php?URL=https://5.imimg.com/data5/SELLER/Doc/2024/3/400140827/BS/YD/RB/216441337/48f24514-69a4-4259-90b2-ff9b0d1f84b1.pdfIn PDF document text
  • http://hellasclub.de/bhc.php?id=26&url=https://gmcalaya.com/wp-content/uploads/2024/03/3291563.pdfIn PDF document text
  • https://nemirudojarigar.yoyep.co.za/47991691498240704763094872?ruxavejenekogubusapakafugelimeseduxazijobugenaxamepoketapanazufoxaxujukotej=xawewuxadorigobiperubunudilewulibesilobixaxufewevebokisasuwokulilifitolokurosulizigeponinimaxatovipovuxirupunadenomuvululevowapawibesupotaxexozikatulumapaxemawesigufisusejojapukajakutuzikiwunofazaxutalafe&utm_kwd=crat+certification+free+practice+test&mowanutabiteredibekonezuborixudajetur=liposagafalumifemejupijilewosorewawelojugeveralafaberamutagikiruroraromudorumejomoboverubimixamomugepexafiIn PDF document text
  • https://nemirudojarigar.yoyep.co.za/47991691498240704763094872?ruxavejenekogubusapakafugelimeseduxazijobugenaxamepoketapanazufoxaxujukotej=xawewuxadorigobiperubunudilewulibesilobixaxufewevebokisasuwokulilifitolokurosulizigeponinimaxatovipovuxirupunadenomuvululevowapawibesupotaxexozikatulumapaxemawesPDF link annotation
  • https://nemirudojarigar.yoyep.co.za/47991691498240704763094872?ruxavejenekogubusapakafugelimeseduxazijobugenaxamepoketapanazufoxaxujukotej=xawewuxadorigobiperubunudilewulibesilobixaxufewevebokisasuwokulilifitolokurosulizigeponinimaxatovipovuxirupunadenomuvululevowapawibesupotaxexozikatulumapaxemawesigufisusejojapukajakutuzikiwunofazaxutalafe&utm_kwd=crat+certification+free+practice+test&mowanutabiteredibekonezuborixudajetur=liposagafalumifemejupijilewosorewawelojugeveralafaberamutagikiruroraromuPDF link annotation
  • https://usehelp.clan.su/go?https://assets.website-files.com/65e888ac0cab7ba509bf9c29/65f2eee9052eb2d90b8db33a_semotomizasigana.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_off0005269d.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0005269d.bin)

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