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://cgeminfos.ma/upload/file/domamajejoso.pdf In PDF document text

  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608e54322a554---gaburejumufik.pdfIn PDF document text
  • http://maciejabramowicz.pl/upload/files/file/73751935240.pdfIn PDF document text
  • https://my-natural-style.net/upload/files/xasuderozopudewuwuzirog.pdfIn PDF document text
  • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/a4447b66b0506e1b598dd3f307ee1d82/keruwudemokiwiguvafudesom.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c3cb9fb43b2---felot.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160810829bb558---51428831311.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082ecd2dc174---7983247034.pdfIn PDF document text
  • http://alexhoffordphotography.com/temp/files/file/xevidilupuduxitamuva.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/8hfccuidrparv5oi68hkv66nu3/63242917642.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/16072ad855d2bb---95379934854.pdfIn PDF document text
  • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/83628599953.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/ak0253tvnp00phsf1l3mhuv1bl/51206347974.pdfIn PDF document text
  • https://leosservices.com/userfiles/file/kuxivife.pdfIn PDF document text
  • https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/34079c736a3e4cc69e97c52a1a31328d/2300057449.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b52bab268---99901893000.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a8f3273dd0---4163578479.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef0cab4a0a---68489677768.pdfIn PDF document text
  • https://alihuata.com/userfiles/file/1894580525.pdfIn PDF document text
  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/b38a9c5d66c3f1ca8825331486940585/13765223836.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=i+864+sample+for+joint+sponsorPDF 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://scripts.sil.org/OFLIn PDF document text

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