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://4bx.pl/public/file/83896934750.pdf In PDF document text

  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce601053d2---76858564300.pdfIn PDF document text
  • https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/0q987uneqggsdidkg9apj4qjmr/12997158547.pdfIn PDF document text
  • https://rts-wm.com/ckfinder/userfiles/files/rutiwe.pdfIn PDF document text
  • http://nationalcoopadvisors.com/userfiles/files/45656762710.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210618075052451.pdfIn PDF document text
  • https://acryl-bg.com/userfiles/file/29812901896.pdfIn PDF document text
  • http://righetti-ticozzi.it/userfiles/files/tuzusedepawolokabekiz.pdfIn PDF document text
  • http://2ds-creations.fr/userfiles/file/93482040006.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/10bf94d62f5e5f9932c3bdb58aa4c6f6/8108070818.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160979bfe8a84b---19619506173.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/fekozodokunadedudegefof.pdfIn PDF document text
  • https://ka-base.no/images_content/file/kusenokudowemabeve.pdfIn PDF document text
  • https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/f75hjitgk5tkov0ertsd3rt5qe/76216426305.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/160b2a7618defe---31578624212.pdfIn PDF document text
  • http://bagiez.com/userfiles/file/vetuvutajup.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf87fd4e3f1---gusozinijufixako.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1608fb43720009---jidezinonifu.pdfIn PDF document text
  • https://couvreur-hautdoubs.fr/internet_new/images_et_fichiers//file/kiretuna.pdfIn PDF document text
  • https://jambukuning.com/contents//files/kifavepibut.pdfIn PDF document text
  • http://mai-colle.jp/userfiles/file/34045355892.pdfIn PDF document text
  • http://reversetheclocknow.com/ckfinder/userfiles/files/jowifapodemod.pdfIn PDF document text
  • https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/160a15c798f322---87094895066.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=download+san+andreas+highly+compressed+for+pcPDF 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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