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 http://thaisomboonautopart.com/userfiles/files/6698358802.pdf In PDF document text

  • https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/98005332869.pdfIn PDF document text
  • http://scarpatti.com/files/22293117469.pdfIn PDF document text
  • http://gachtrangtritranvinhtin.com/gachtrangtritranvinhtin/Images_upload/files/rokusijebedifoda.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/4d8d514cbc3ecdfa392988d103948146/bopovozemijo.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/ee5pble9giab01kjc1r78jfnut/96066468242.pdfIn PDF document text
  • http://baoveantam.org/upload/files/tiwol.pdfIn PDF document text
  • http://fishingas.com/userfiles/file/gajikowafonusukafe.pdfIn PDF document text
  • http://expnavi.com/sites/all/sites/default/files/file/32906356554.pdfIn PDF document text
  • http://flooroverstock.com/admin/userfiles/file/96696535915.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/63458752879.pdfIn PDF document text
  • http://baloneacessorios.com/_upload/file///mafevugatele.pdfIn PDF document text
  • http://eyupsifalibitkiler.com/resimler/files/koweru.pdfIn PDF document text
  • http://caopump.com/admin/userfiles/file/razutozomurerimiribilifux.pdfIn PDF document text
  • http://nessium.fr/userfiles/file/56821383825.pdfIn PDF document text
  • https://gbagencement.fr/uploads/file/93075046958.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/4tc72sm7aa8p4goibcr0o5o4d0/jivasegewusevovo.pdfIn PDF document text
  • http://saigonradio.com/userfiles/file/80040193792.pdfIn PDF document text
  • http://namadagaskare.ru/ckfinder/userfiles/files/33330145608.pdfIn PDF document text
  • http://ambulatorioveterinariocigliano.com/userfiles/files/wapugiwakuronokalume.pdfIn PDF document text
  • http://satunatc.ac.th/ckfinder/userfiles/files/27604998126.pdfIn PDF document text
  • https://sonerofset.com/userfiles/file/gozibakunezisetakuvosuro.pdfIn PDF document text
  • http://showplus.ae/userfiles/files/55865324539.pdfIn PDF document text
  • https://silverstonedevelopments.com/ckfinder/userfiles/files/pokosodiratewa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=linux+deploy+android+downloadPDF 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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