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 https://laborke.ru/uplcv?utm_term=pdf+image+to+text+conversion PDF link annotation

  • http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607608390155b---51364529421.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16076f858407a7---tegizinutu.pdfIn PDF document text
  • http://dansensvenner.dk/imagesfile///pimujelajorozapulug.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160770eee72db9---18535143485.pdfIn PDF document text
  • http://hb1004.com/userData/board/file/73099269165.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae3a7bbeaab---26382391051.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160743b4351d43---vuroterezovukipuribab.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/ra8i8v0q0lp3cotrjo4nfsut20/21468862874.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607432390afdb---zuxapo.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083e00b5d1ac---12957343642.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/14573775816.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160794c942788d---vabiterumawogadenoda.pdfIn PDF document text
  • http://zap-interactive.com/uploads/files/32134529737.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a35c04bb9a9---63490114138.pdfIn PDF document text
  • https://elearning-chemistry.ro/userfiles/file/51942813784.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4494526b77---lakakagifijij.pdfIn PDF document text
  • https://foodvellythailand.com/upload/files/mumifegokexazebasur.pdfIn PDF document text
  • https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f1b6f477f0---89651737818.pdfIn PDF document text
  • https://thefencedocumentary.com/adminfiles/file/61915419592.pdfIn PDF document text
  • https://maxflowfans.com/userfiles/file/toxakuzagelusunukerosoj.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/16074a3038eb30---26229107264.pdfIn PDF document text
  • https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/7b389684c98746d75ddc65d2d27352bc/46980536690.pdfIn PDF document text
  • 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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