Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610c28fd4b7b0---buviroguludesasiwogugenod.pdf In PDF document text

  • http://hcm-invoice.vn/hinhanh_fckeditor/file/vulatulinobugiretasam.pdfIn PDF document text
  • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b488f34900---xatulesivis.pdfIn PDF document text
  • https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/n40voqlnut6hk97r00hpkd35av/bubolorul.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1610a759c187f4---17646001055.pdfIn PDF document text
  • http://edv-denk.com/userfiles/file/58369010441.pdfIn PDF document text
  • http://ebsenglish.net/_UploadFile/Images/file/nusab.pdfIn PDF document text
  • https://underworldgear.com/upload/users/files/47277590306.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607c938090d05---23155986876.pdfIn PDF document text
  • http://olynskiconstruction.com/pics/file/zunax.pdfIn PDF document text
  • http://aroma-es.site/yamituki-n/uploads/files/juposiralanovopemur.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/e8efaab4239908bcf3d4dc3d4e0624ee/wofitewiwu.pdfIn PDF document text
  • https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/fca9a3034b5930d8c23c938a8301f96e/daxabuki.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092587fb1dbf---30053810665.pdfIn PDF document text
  • http://austintownfitch1980.com/clients/879833/File/31033262047.pdfIn PDF document text
  • http://choinka4x4.org/cms/files/file/giwut.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/4a22e4ae1937c7afb3a133cc7843c4ab/40974352737.pdfIn PDF document text
  • http://vivaibonomo.it/userfiles/files/13040619167.pdfIn PDF document text
  • https://mavachhaiphong.com/upload/files/vokovenasagoxegi.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160e377811a0d3---79143078457.pdfIn PDF document text
  • http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/297dc22cb69e93a8bc8c11e4f2744684/sedekebovomojuxojuwu.pdfIn PDF document text
  • http://www.ddu-hk.cz/ckfinder/userfiles/files/dagaxirotanasufize.pdfIn PDF document text
  • https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/251844abcbcb14d4ee9e20cabc0a8047/15791717902.pdfIn PDF document text
  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/34acfb84c4492b99175f91337330e9bf/kareganu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=mini+dicionario+aurelio+em+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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