Malicious PDF — malware analysis report

Heuristics 8

• 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 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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 https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16135d79780ecf---vesejuw.pdf In PDF document text

  • http://mygiftltd.com/userfiles/file/xisefofut.pdfIn PDF document text
  • http://wadsoda.com/UserFiles/File/9930103967.pdfIn PDF document text
  • https://iohrp.org/f_files/files/gelenonavubuzojosu.pdfIn PDF document text
  • https://vhssirimpanam.org/ckfinder/userfiles/files/kogivukimurovixigevera.pdfIn PDF document text
  • http://lionsmarsala.it/userfiles/files/83997860031.pdfIn PDF document text
  • http://hvezda-pardubice.cz/files/file/79459624700.pdfIn PDF document text
  • http://exim5.hu/_user/file/jerikijudamagodudurid.pdfIn PDF document text
  • http://www.beverburcht.nl/upload/files/7492572652.pdfIn PDF document text
  • http://screen.by/images/file/xudiludibutifewakuxoki.pdfIn PDF document text
  • http://baove24h.org/upload/files/63800303547.pdfIn PDF document text
  • http://denprokhorov.ru/images/file/32957708079.pdfIn PDF document text
  • https://begili.com/uploads/image/files/97697551109.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16139211574afe---wotodepomejezexugebuledaf.pdfIn PDF document text
  • http://mindentudor.hu/userfiles/file/36212597980.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb70d64205---foravujo.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613772577719b---jamavosagigari.pdfIn PDF document text
  • http://debschoen.com/userfiles/file/pewerunepenibabukal.pdfIn PDF document text
  • https://ismart99.net/upload/files/texokaj.pdfIn PDF document text
  • http://group-anons.ru/userfiles/files/80899595134.pdfIn PDF document text
  • http://baaningdoi.com/file_media/file_image/file/jalizuxomasodibawijil.pdfIn PDF document text
  • http://chinahk-ip.com/chinahk_ip/html/files/editor/file/59257662107.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=corel+to+pdf+onlinePDF 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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