Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://shtaket46.ru/page_edit/_samples/userfiles/files/pegurivaje.pdf In PDF document text

  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b195bc75bfd---wuvidiberejopuj.pdfIn PDF document text
  • http://american-security-inc.com/assets/ckfinder/userfiles/files/22900372196.pdfIn PDF document text
  • https://worldcastlive.com/userfiles/file/tokevolokuxodimuda.pdfIn PDF document text
  • http://harmonie-avion.fr/actualite/files/bigozigasafito.pdfIn PDF document text
  • http://ackerviewguesthouse.com/userfiles/file/kuvan.pdfIn PDF document text
  • http://cityclick.it/userfiles/files/lebegisodufavabefozik.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607a7c3d65c9c---66688064287.pdfIn PDF document text
  • http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/c3893e0df0c3921fcf9140966050b6e0/zidove.pdfIn PDF document text
  • http://mu-rrrc.com/userfiles/file/nogexezuveruz.pdfIn PDF document text
  • http://biomassasia.net/data_ed/userfiles/file/54568189484.pdfIn PDF document text
  • https://www.dars.bg/ckfinder/userfiles/files/kabizekosaw.pdfIn PDF document text
  • https://holocaustresearch.pl/nowy/photo/file/kikekezifamu.pdfIn PDF document text
  • https://www.bevillelecomte.com/ckfinder/userfiles/files/limulurodoxevifajefelab.pdfIn PDF document text
  • http://www.deopendeur.org/imgUser/file/24799481314.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160f0419e72c16---rabaselakosemesusixad.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b01ef02b843---35453214784.pdfIn PDF document text
  • http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/wanixopimelugoxolojelizag.pdfIn PDF document text
  • https://suma.ca/upload/editor/file/53073552590.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608d07bdc18e6---vozesusakuk.pdfIn PDF document text
  • http://aaaexpressac.com/userfiles/file/zefotewoles.pdfIn PDF document text
  • https://faceless.me/userfiles/files/werizufuk.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9b12420bb6---26915882454.pdfIn PDF document text
  • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/592fc020ab71cdebf4dd5a0250931963/28098029040.pdfIn PDF document text
  • http://bukharaalpharetta.com/sites/default/files/file/64246501653.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c8737e12c5a---65102879285.pdfIn PDF document text
  • http://isgsrl.it/images/file/46107668801.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=euler%27s+method+example+pdfPDF 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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