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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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.
• 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://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/r8imi1gba03ovqovu6vioa36ub/takotawigoxuzaxonakoruw.pdf In PDF document text

  • https://dolmalatrek.com/userfiles/file/47170939481.pdfIn PDF document text
  • https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/11355941651.pdfIn PDF document text
  • https://actorconseil.com/files/file/80915794608.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608965237b732---gevekemivaxelivofapuvipaj.pdfIn PDF document text
  • https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/b7e7c4f4b31e46e302375e6b3e888861/4741186966.pdfIn PDF document text
  • https://triptoboloyfoundation.org/editorsfiles/files/63710204102.pdfIn PDF document text
  • https://www.hausbootgeiseltalsee.de/wp-content/plugins/super-forms/uploads/php/files/r0rkacnuf6f0g1855jtf6ngrtc/10524839051.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/vm3cqb33rgdgrq8ua8dmjo3k80/70240757710.pdfIn PDF document text
  • http://ridendo.cz/files/file/gododamudu.pdfIn PDF document text
  • https://folklorebridge.eu/uploads/pictures/files/befevovunex.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9755e9247---36558697688.pdfPDF link annotation
  • http://interwork.sk/userfiles/file/12036278039.pdfIn PDF document text
  • http://flexicourse.cz/res/file/kuvab.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/gs7ttd6cnupo6gi4sp949sl87e/2312122074.pdfIn PDF document text
  • https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/193g7mrnpiln2kvb1u92a84r47/78476365302.pdfIn PDF document text
  • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/r500tom7md9lnp63648klor8o5/68830826627.pdfIn PDF document text
  • https://acronimocostanzo.com/userfiles/file/16221931164.pdfIn PDF document text
  • http://jarosi.hu/files/file/30084131715.pdfIn PDF document text
  • http://andreaslasnik.com/data/files/81114692791.pdfIn PDF document text
  • https://oklogistic.lv/upload/file/62065940897.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609842c8d4b91---17012295404.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=when+your+puppy+barks+at+youPDF 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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