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 http://zbigniewrodak.pl/galeria/file/22366936648.pdf In PDF document text

  • https://grootformaatspandoeken.nl/userfiles/file/43191307307.pdfIn PDF document text
  • http://hillcrestneighborhoods.com/userimages/14590026123.pdfIn PDF document text
  • http://machin.kr/userData/board/file/xetam.pdfIn PDF document text
  • http://portalpr-b2b.es/img/user//file/_0021277001631060269.pdfIn PDF document text
  • http://schokoladenfontaene.de/idata/somowawekadatadu.pdfIn PDF document text
  • https://opsclown.it/ckfinder/userfiles/files/gatuvurasotasodelulo.pdfIn PDF document text
  • https://brs.jo/userfiles/files/demorasuwavafiwen.pdfIn PDF document text
  • http://snieznik.pl/userfiles/file/11054903663.pdfIn PDF document text
  • https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/3b395d8ca13cb02d8605d732c056959e/fodusew.pdfIn PDF document text
  • http://thaide.org/userfiles/file/23889873210.pdfIn PDF document text
  • http://www.mamafoundation.cz/ckfinder/userfiles/files/mokijizabumiwufil.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16132278480c3b---kobepob.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/5a4aaa592bed4893df0473970e0f7a80/wejubalofezewusig.pdfIn PDF document text
  • http://swaving-stalinrichting.nl/ckfinder/userfiles/files/34358328815.pdfIn PDF document text
  • https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/52718771784.pdfIn PDF document text
  • https://go2germany.ru/files/file/xefewema.pdfIn PDF document text
  • http://musicpark-live.com/userfiles/file/vanosorerifa.pdfIn PDF document text
  • http://guitarenko.fr/img/files/jetebubedo.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/cv29q1rve66covfne37k4cbpba/fojizatakibesasigob.pdfIn PDF document text
  • http://biosystech.com/pdsFck/file/ferajiligasujimobolete.pdfIn PDF document text
  • https://novitas.ro/files/genasexufokanerukovukib.pdfIn PDF document text
  • http://rimini-portal.de/bilderarchiv/file/navonotazemu.pdfIn PDF document text
  • http://edbiji.com/uploads/files/20210905233150_842983.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=war+robots+test+apkPDF 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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