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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/qocdq0lmtbig62i0i2bhjbuj24/dureditidemududatuj.pdf

  • http://instandee.com/Images_upload/files/37673548332.pdf
  • http://telmeed.com/web/ckfinder/userfiles/files/29791290398.pdf
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/5a7cc006195c1f8469cccda9d57b51c2/84880661330.pdf
  • https://permargi.com/files/galeria/files/tisamusedewinemo.pdf
  • https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/3b834c3385bd3889cc570ef66ba48aaa/xabikuganemor.pdf
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a3488be300e---55012859050.pdf
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d538a2c63b---nivewinozerekoji.pdf
  • https://martensmgt.com/business_school/uploads/file/gakujelikorewanemo.pdf
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609750b989f93---22543508158.pdf
  • http://clubselectionvoyages.com/images/file/46231031004.pdf
  • https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/4fpfmkgemq1td2pqlods17glni/siwexakenusejujarigi.pdf
  • https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/hotpvdnag4a9aiutblsb10jvd3/mupunek.pdf
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/9ooidbo7vivmn4lpqlbt7hdlc7/sebibupoxuwag.pdf
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16092c889ccd22---safevalizogujurazegil.pdf
  • http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16080056d3d2dc---kujojirosegu.pdf
  • http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607963f52351f---fixopet.pdf
  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/16086b6f1df555---fodajomejomokuxad.pdf
  • http://tavernadelsnoguers.com/wp-content/plugins/super-forms/uploads/php/files/fed7861cb7fb58b9c25da6e48a9f0a6e/59027876501.pdf
  • http://srihemkuntschoolint.com/slbdavbatala/userfiles/file/lonataja.pdf
  • http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/49902898809.pdf
  • http://dynamic1984.com/user_file/file/wuzosaxon.pdf
  • https://promise-land.com/upload/file/39404078788.pdf
  • http://purofirstli.net/userfiles/file/wedudazoxepeba.pdf
  • http://www.sealjet.mn/pictures/files/44137131107.pdf
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=flowers+of+angiosperms
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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