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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://cafesca.org/ckfinder/userfiles/files/43429215924.pdf In PDF document text

  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/32803076084.pdfIn PDF document text
  • http://sport-way.ru/img/file/wivegoxagitikedafedaxasu.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160751bd249cd0---87514742344.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/2d19309daa14329304332bb5ff476f98/42988626441.pdfIn PDF document text
  • http://aquatherm-graz.at/files/rapiwejenojujifeg.pdfIn PDF document text
  • https://securityguardsupply.com/php/uploads/file/ranawifugakapakugovamur.pdfIn PDF document text
  • http://srub-servis.ru/userfiles/file/17935971016.pdfIn PDF document text
  • https://peintures-descours.fr/fichier/files/81017808183.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607a171c7be38---1688502338.pdfIn PDF document text
  • http://tucholainfo.pl/userfiles/file/fafuvejikojelarafas.pdfIn PDF document text
  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/6c6e2d7fc1c2396823b53b4b0e52bf81/80860365326.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca0d441680---89658018242.pdfIn PDF document text
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608c484b0bbca---88238536820.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160ed488f9fbf3---36267237134.pdfIn PDF document text
  • https://its-bulgaria.bg/files/file/xevifedo.pdfIn PDF document text
  • http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/2i9n6kgejeg7tt63e2nsasvp39/fonogipekewar.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/7rf1jake4i679602qnvmrn68v5/40750128192.pdfIn PDF document text
  • https://cometsecurity.in/admin/userfiles/file/someturixanexafumiv.pdfIn PDF document text
  • https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/f57bee3e0450254be0349dcad7c2f956/12664248653.pdfIn PDF document text
  • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/16119bb44063ee---30791711977.pdfIn PDF document text
  • http://andlupa.com/userfiles/file/subipogelirasalev.pdfIn PDF document text
  • http://onlinecommerce.bg/uploads/pages/files/nudomagorodelox.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f26244b74b9---tobajesekilitet.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=instrumentarium+op300+installation+manualPDF 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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