Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://fabuduviwanor.weebly.com/uploads/1/3/4/7/134739750/5992739.pdf.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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://jottigo.ru/wb?keyword=tumblebooks%20free%20no%20login PDF link annotation

  • https://cdn.sqhk.co/sadetujadufi/j6rS3jd/silicon_valley_tv_show_cast.pdfIn PDF document text
  • http://sdorovie-sustavi.xyz/38328055639hqz7t.pdfIn PDF document text
  • https://fabuduviwanor.weebly.com/uploads/1/3/4/7/134739750/5992739.pdfIn PDF document text
  • https://jitivafume.weebly.com/uploads/1/3/0/9/130969372/gupiseborabeb_vixukip_kaxaririk_dexalaperafipis.pdfIn PDF document text
  • http://xtrading.buzz/begivikajeco80s.pdfIn PDF document text
  • https://cdn.sqhk.co/tefozakozup/yyidAnZ/how_to_get_free_200_robux.pdfIn PDF document text
  • https://xovodozavaso.weebly.com/uploads/1/3/1/0/131069890/ranomewuruzi-kagimiw.pdfIn PDF document text
  • https://xujopikaxatanow.weebly.com/uploads/1/3/4/8/134850499/vaponi.pdfIn PDF document text
  • http://confirmyourverifiedbadge.com/2948626318vt4i8.pdfIn PDF document text
  • https://telenegogak.weebly.com/uploads/1/3/4/5/134522167/gegoxepi.pdfIn PDF document text
  • https://cdn.sqhk.co/sirejeforox/FLxG1jg/nirediku.pdfIn PDF document text
  • https://wabaxudazisivi.weebly.com/uploads/1/3/3/9/133986682/zitumokejobaz_kajosaronila_kokakowa_lomiganenus.pdfIn PDF document text
  • https://finijigif.weebly.com/uploads/1/3/2/6/132681422/878e6e6a63378.pdfIn PDF document text
  • https://cdn.sqhk.co/jigavozef/i0Oibgf/lego_star_wars_advent_calendar_2018_characters.pdfIn PDF document text
  • https://cdn.sqhk.co/numavagoko/hjjUugi/true_skate_gaps_factory.pdfIn PDF document text
  • https://dudunetexuzo.weebly.com/uploads/1/3/1/3/131379759/190027.pdfIn PDF document text
  • http://espaceclient-cmb.com/45338938583m2e79.pdfIn PDF document text
  • https://cdn.sqhk.co/jemowevu/zrhhh2H/nasacort_aq_otc.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text

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