Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://irlanc.ru/uplcv?utm_term=how+to+check+my+aarp+membership PDF link annotation

  • http://tafgambiatours.com/userfiles/file/6064683440.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a6dc09bdfbc---87580019080.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a01768061c5---monabenirutajo.pdfIn PDF document text
  • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/9d04002718168c6bbc8710dc5665e1a7/33948957440.pdfIn PDF document text
  • https://begili.com/uploads/image/files/9387900702.pdfIn PDF document text
  • https://mumegram.com/userfiles/file/23465785238.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f9ccd2505ad---68545624248.pdfIn PDF document text
  • http://alnoorcity.com/userfiles/file/41968001149.pdfIn PDF document text
  • http://www.plan.msu.ac.th/ckfinder/userfiles/files/78094621203.pdfIn PDF document text
  • http://ideviceplus.nl/app/webroot/files/userfiles/files/43688426372.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609534a79d79d---38071287039.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/ac225c3675deb33edd2f610fcdb8c5c1/84613818440.pdfIn PDF document text
  • http://ricarda-allegra.de/userfiles/file/98436964282.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160bff3f748199---vogejonavinewurewoba.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bb57854223---55674969060.pdfIn PDF document text
  • https://cherrychile.cl/cherry/uploads/contenido/files/93648672224.pdfIn PDF document text
  • http://vector-mebel.ru/uploads/files/dajopovimasasasex.pdfIn PDF document text
  • http://szao-spb.ru/images/news/file/49376132865.pdfIn PDF document text
  • http://buildinggodskingdom.com/webcms/file/pemisumofeporopapi.pdfIn PDF document text
  • http://cn-polylysine.com/d/files/3882012445.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/0eec8f3d0e29c4bfabdee0f678907949/58562470933.pdfIn PDF document text
  • https://laurallo.com/ckfinder/userfiles/files/vexibiludod.pdfIn PDF document text
  • http://brickchamber.com/ckfinder/userfiles/files/68558819373.pdfIn PDF document text
  • https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/5a74bba74cbb9f5967fce80806b774d9/6819640629.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/3e23fe27ddea7e52bf9803c30555a8c6/boregexugabizoniwu.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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