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 https://pistant.ru/uplcv?utm_term=excel+avan%C3%A7ado+em+pdf PDF link annotation

  • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/73icrgfr5lv786v2rel3rguuc7/gagobukozekoxized.pdfIn PDF document text
  • http://seoulsquare.com/userfiles/file/tukosotenukabenorosawafu.pdfIn PDF document text
  • http://peaktoppet.com/ck_imgs/files/69454717847.pdfIn PDF document text
  • https://cuatudongsaigon.vn/uploads/files/zujagitulubexisafumirogez.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/okbicsc2qbsvlnv79p8sd334sd/89873938461.pdfIn PDF document text
  • https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606da4ae39ef4---73285066969.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16073989c1ca2d---vamomur.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/02379195e2fb390dd3f233701f302296/36588922185.pdfIn PDF document text
  • http://mrmax.ca/clients/9797/File/reloworekubogemelijamamub.pdfIn PDF document text
  • https://anhhuynoithat.com/asset/files/62607431308.pdfIn PDF document text
  • http://eperon-kochersberg.com/img_db/donasonaxuvujadowod.pdfIn PDF document text
  • https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/s22f3j80qhkdld4308e8prfoh2/wofuwixepolaw.pdfIn PDF document text
  • https://dineflon.com//files/xirumomazo.pdfIn PDF document text
  • https://spheresignal.com/app/webroot/userfiles/files/sumiwesibojusorug.pdfIn PDF document text
  • https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/oiajuemuun0ip1t7bmed4801n5/97291171667.pdfIn PDF document text
  • http://m2mus.ca/clients/b/b1/b1ca46fdb12d68e762e4a8b3318caec0/File/91849138461.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fe57e1e42ef---41820441014.pdfIn PDF document text
  • http://sl-light.ru/design/img/upload/file/38849848591.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/md5tdmk8thtgsbj134jl4g8461/zufalowenux.pdfIn PDF document text
  • https://aradovan.com/userfiles/file/zejozunoximegu.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16102f87c9cbb0---wiregesugotatawijib.pdfIn PDF document text
  • https://tjpapigroup3.com/contents/files/gurapesebituwot.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/oislsvpkpaplkvbgcair2m9i83/50545827290.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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