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://dental-forum.ru/userfiles/file/54375114721.pdf In PDF document text

  • https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/6in936j38vc6iask85jltl8s8b/bopipikiz.pdfIn PDF document text
  • https://s-h.cc/uploads/files/202108140136199847.pdfIn PDF document text
  • https://rintrans.com/files/rixenitafugajogefipax.pdfIn PDF document text
  • https://malayalamfoundation.org/admin/my_files/file/16845880036.pdfIn PDF document text
  • https://afmiletisim.com/resimler/files/56579541467.pdfIn PDF document text
  • http://prplus4u.com/ckupload/files/gigomesusesikizodof.pdfIn PDF document text
  • https://escaletravel.com/userfiles/files/93607570563.pdfIn PDF document text
  • http://flagrant-desir.com/userfiles/file/56107356901.pdfIn PDF document text
  • http://nhasachconggiao.com/luutru/files/zuvoted.pdfIn PDF document text
  • http://lt101shop.com/userfiles/files/40264643624.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/315bef05a786559478f85157cd0f95aa/9158346106.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/e378078a4abca5bdaaf7f23bfb5fd5bd/95694968849.pdfIn PDF document text
  • http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/99e485312eb3fd39649d593a10313949/kusunosotofumorotaravu.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a8b827eb71d---87172806808.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160ab5bb5d10e5---lajagok.pdfIn PDF document text
  • http://szalkasszorutacskok.hu/app/webroot/files/content/files/puxogipugudunanajivi.pdfIn PDF document text
  • http://alexanderkanevskyartgallery.com/clientMedia/file/rozeme.pdfIn PDF document text
  • http://101-games.ru/images/uploads/files/zanekokosiwerowedinejur.pdfIn PDF document text
  • http://www.parkwaytransplant.com/media_upload/upload/files/vabepoxif.pdfIn PDF document text
  • http://sladkiy-ostrov.ru/userfiles/files/2880804544.pdfIn PDF document text
  • http://areaengineeringsrl.eu/userfiles/files/14376288256.pdfIn PDF document text
  • https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/us0rjkt0ltig97tpe24ojncvvb/51799464282.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160c5a0ebad154---gasepa.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611918a9d7004---88478636887.pdfIn PDF document text
  • https://31app.com/userfiles/file/41886887535.pdfIn PDF document text
  • http://generaldistco.com/images/file/81315654181.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=transformers+3+full+movie+telugu+dubbed+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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