Malicious PDF — 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 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 https://oniceh.ru/uplcv?utm_term=effective+modern+c%2B%2B+pdf PDF link annotation

  • http://badischer-kunstverein.de/ckfinder/userfiles/files/bepip.pdfIn PDF document text
  • http://kleinschadenexpert.com/userfiles/file/lulitu.pdfIn PDF document text
  • http://retroldn.com/userfiles/file/favikatizawa.pdfIn PDF document text
  • http://autobedrijvenindex.nl/images/uploads/magezipibinofob.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aff31e984b9---66944639230.pdfIn PDF document text
  • http://cbgnfinance.com/userfiles/file/80583669703.pdfIn PDF document text
  • http://ncfc.com.tr/ckfinder/userfiles/files/40021327525.pdfIn PDF document text
  • https://area34.info/wp-content/plugins/super-forms/uploads/php/files/2q0ld7aq86n8fdbsu6ecvuoah6/23173533634.pdfIn PDF document text
  • http://foxhill101.com/userimages/57224540037.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609937681cac1---roririsumotexo.pdfIn PDF document text
  • https://aurorabersinar2.com/contents//files/68852046802.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/2d54199320741b9fda10b2e01ea7ab40/13152144022.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612ac2acd021c---ropowinolunibisel.pdfIn PDF document text
  • http://sola-brothers.com/userfiles/file/47855512351.pdfIn PDF document text
  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/375bec7234291dc2d732fccd0fdfd41f/85286664241.pdfIn PDF document text
  • http://giftboxvietthuy.com/upload/ck/files/mogenerar.pdfIn PDF document text
  • https://shatalarab-llc.net/userfiles/files/zobizo.pdfIn PDF document text
  • http://yuqiaohome.com/uploads//files/202108012100446885.pdfIn PDF document text
  • http://www.heksan.com.pl/file/42050153270.pdfIn PDF document text
  • http://manpukulivermore.com/uploads/files/butunolagemisimarag.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/koladez.pdfIn PDF document text
  • https://sammycar.ch/sammy/sites/default/sammyfiles/newsletterfile/57659439103.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7cf10c5982---71512311006.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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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