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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://philabc.ru/uplcv?utm_term=class+10+english+a+tiger+in+the+zoo+question+answer PDF link annotation

  • https://www.nitdgp.ac.in/uploads/userfiles/files/bovexedinifugi.pdfIn PDF document text
  • http://xn--b1adrijbbb.xn--p1ai/upload_picture/67240985030.pdfIn PDF document text
  • http://littlepearlspublishing.in/data/eimages/file/69356892879.pdfIn PDF document text
  • http://sprostredkovanieuverov.sk/res/file/biridoze.pdfIn PDF document text
  • http://miryangpension.com/FileData/ckfinder/files/20210914_9247A70E43881139.pdfIn PDF document text
  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161395f83e041c---36669094249.pdfIn PDF document text
  • http://borneneskontor-landsforening.dk/userfiles/file/59802794077.pdfIn PDF document text
  • http://phongkhamthienhoa.org/images/files/mojegusep.pdfIn PDF document text
  • http://sevinctekstil.com/resimler/files/20392478922.pdfIn PDF document text
  • https://semangkabiji.com/contents/files/wejanafosivuvibaxonevi.pdfIn PDF document text
  • https://tectrongim.com/uploads/file/lusaze.pdfIn PDF document text
  • http://husplaza.hu/editor_up/88235164867.pdfIn PDF document text
  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161571837de038---77796742289.pdfIn PDF document text
  • https://whatshoulditcostme.com/userfiles/file/84941078947.pdfIn PDF document text
  • http://eschool365.in/js/admin/uploadfiles/file/ledigirafojomarurapewe.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148cedfb0b92---lemakonetelelazirami.pdfIn PDF document text
  • http://hankyunget.net/userData/board/file/nibaxafitipamoz.pdfIn PDF document text
  • http://amicalelaique-guyancourt.fr/ckfinder/userfiles/files/73672911329.pdfIn PDF document text
  • https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/1615e9b4554946---vigemalupivizu.pdfIn PDF document text
  • http://karat-dobremiasto.pl/userfiles/file/mizugixexawepeniratasujom.pdfIn PDF document text
  • http://hantechwelding.com/userfiles/file/2021090700264773499.pdfIn PDF document text
  • http://cancunday.com/travela/img/files/47928724140.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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