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
• Brand-impersonation credential phishing lure high 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: call-to-action link host does not match the impersonated brand: https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=problem+communicating+google+servers+android.
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• 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) 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 http://gamaxmotor.cz/data/dokumenty/3560177781.pdf In PDF document text

  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16143c5b937d62---gikarofobigulalowibataw.pdfIn PDF document text
  • http://devison-matras.com/upload/file/80774401749.pdfIn PDF document text
  • https://pecintajp.com/contents/files/82917131781.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139a0f38743c---81096851272.pdfIn PDF document text
  • http://maysoi.com/hinhanh_fckeditor/file/xujufa.pdfIn PDF document text
  • https://xeroxexpres.cz/userfiles/file/48264141894.pdfIn PDF document text
  • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/32407601890.pdfIn PDF document text
  • https://anthonygillant.com/userfiles/file/safosemetogekodegem.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ef0a3b8ddc---55335327418.pdfIn PDF document text
  • http://hzqzg.com/d/files/73368594814.pdfIn PDF document text
  • http://newcityhk.com/userfiles/50825190202.pdfIn PDF document text
  • http://honyi.tw/ckfinder/userfiles/file/42869029342.pdfIn PDF document text
  • http://pegasomeeting.medcoast.net/ckfinder/userfiles/files/bigogivetijinad.pdfIn PDF document text
  • http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/fe2c773c5b93863e6aee20b9bb823afb/kurerel.pdfIn PDF document text
  • http://www.kroonzuivel.nl/ckfinder/userfiles/files/zimomagitopovapolefu.pdfIn PDF document text
  • http://www.cenlajobinator.com/siteuploads/editorimg/file/61048646847.pdfIn PDF document text
  • http://kerekagy.hu/UserFiles/file/wobomojalifirelewedon.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/62111a1a702f46ae591d0a12c2a9859a/43484378441.pdfIn PDF document text
  • http://thayloilocnuoctaihanoi.net/upload/files/45370450767.pdfIn PDF document text
  • http://superazs.ru/images/news/file/nosajupixajunuvower.pdfIn PDF document text
  • http://artstudiodesign.it/userfiles/files/32403364046.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=problem+communicating+google+servers+androidPDF link annotation
  • 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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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