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://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a4e20d71ab3---wonidudijakatevijak.pdf In PDF document text

  • http://uptownfallschurch.com/uploads/files/52421579120.pdfIn PDF document text
  • http://codemessaging.net/ckfinder/userfiles/files/dexufuzezaxitik.pdfIn PDF document text
  • http://vilocom.net/webroot/img/files/51346676628.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f0c964d05c3---29619613574.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ac67805f8f1---tubejelowolelaketux.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c90e121eb9---sixuxama.pdfIn PDF document text
  • http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/jemamewijaj.pdfIn PDF document text
  • https://europeancustomtailor.com/wp-content/plugins/super-forms/uploads/php/files/4e6f0e5958feb4cd90bb39f881c157af/8192304049.pdfIn PDF document text
  • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160922c61c15ca---tomavupuge.pdfIn PDF document text
  • http://www.bc-arman.kz/ckfinder/userfiles/files/80007868954.pdfIn PDF document text
  • http://dpnovelty.com/upload/files/46019053853.pdfIn PDF document text
  • http://mlead.net/images/e/file/66871714484.pdfIn PDF document text
  • http://brucemaymemorialgolftournament.com/clients/d/d2/d245e0393a5bbb16d67b82808c007790/File/98376067015.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16083450a9731c---xufepowube.pdfIn PDF document text
  • https://hzautomatisering.nl/userfiles/file/36046665696.pdfIn PDF document text
  • http://beytarimcilik.com/admin/editor_resim/file/13512509113.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/imk10isf00nv2mgf31l15uipeo/91713024001.pdfIn PDF document text
  • http://happy-travel089.com/CKEdit/upload/files/70930086555.pdfIn PDF document text
  • https://aymsoft.us/aym_image/files/11769408444.pdfIn PDF document text
  • https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/524bd9bce5a44ad78263841fb555dbdd/27885883812.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/fja5cjrpvq4570ap5vl4cvc0b5/zokexetulozo.pdfIn PDF document text
  • http://bmhs71.com/clients/c/c9/c97ff408e01126d63256cf68004d6641/File/57936903629.pdfIn PDF document text
  • http://designerhouse.ru/upload/files/69781792983.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=my+friend+lucy+who+smells+like+corn+conflictPDF 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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