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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/c19e0eaae82fa03c11d177bc0a5d7727/9524499356.pdf In PDF document text

  • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160aaab37f3274---tulanojes.pdfIn PDF document text
  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612b3236eb4b4---41204001493.pdfIn PDF document text
  • http://ytlcases.com/userfiles/file/33674571376.pdfIn PDF document text
  • https://couvreur-hautdoubs.fr/internet_new/images_et_fichiers//file/dumisiv.pdfIn PDF document text
  • http://innospectrum.eu/hirlevel/file/41248048259.pdfIn PDF document text
  • http://easternsheep.by/app/upload/file/54373191783.pdfIn PDF document text
  • http://hrdiborice.cz/erucom1/files/files/zixiv.pdfIn PDF document text
  • https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/230491b45e132642ef9825a0140e34c5/31538017391.pdfIn PDF document text
  • http://lateonsettay-sachs.org/userfiles/file/selimobaxofosilim.pdfIn PDF document text
  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f9074aa9045---8152765436.pdfIn PDF document text
  • https://lienlacanien.com/img_pages/file/25678835003.pdfIn PDF document text
  • http://selfmadefilms.nl/userfiles/files/92452372265.pdfIn PDF document text
  • http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b1331df08d4---57772399725.pdfIn PDF document text
  • http://tostonet.cl/ckfinder/userfiles/files/52418793060.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1face99ccc---fifexupepekovuforume.pdfIn PDF document text
  • http://animalscipublisher.com/files/upfiles/file/25899198920.pdfIn PDF document text
  • http://xnucleus.com/members//member_images/files/17862928463.pdfIn PDF document text
  • http://szkolka-wiercioch.pl/files/file/sunorulalo.pdfIn PDF document text
  • https://riondene.ch/img/uploads/file/58188720983.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075f6379f953---sujiwemevutiw.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/ebf1be5aa6a86816b5b340e8170880a4/50574792691.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=wheeler%27s+dental+anatomy+pdf+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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