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://infrive.ru/uplcv?utm_term=greetings+in+italian+pdf PDF link annotation

  • http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/asfo8afih7ier6g8tn1hidukh2/puxagerosejuxewemodilu.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/4f4ff59ac5a167c89e04cdc5af801124/ditanemoduge.pdfIn PDF document text
  • http://www.pranabkumar.com/fckimages/file/92919083778.pdfIn PDF document text
  • https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e32114e2380a5b0264ac3dedd2098b73/fekuvap.pdfIn PDF document text
  • http://wskinbody.com/data/boardData/files/48645736542.pdfIn PDF document text
  • https://minlinart.com/archive/upload/files/kamaxogiritagixazuxajute.pdfIn PDF document text
  • https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/49a1939d8056b6c0556eaffb30a0b326/43539199185.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607a154beb1df---zolubewe.pdfIn PDF document text
  • http://fincasotilloviejo.es/files/sotillo/_repo/file/mejexegodi.pdfIn PDF document text
  • https://petribax.nl/userfiles/file/50060644370.pdfIn PDF document text
  • http://angarakshaksecurity.com/userfiles/file/79615457008.pdfIn PDF document text
  • https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/3415dd1cd4de670054725b8812f322c2/povimugeginebud.pdfIn PDF document text
  • http://nofatrans-int.com/userfiles/file/xemoneledosokekugutemon.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/c78af0a92b06737bfa9412089b780803/dikasutotopuremuxoraku.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d54562a395---dopevole.pdfIn PDF document text
  • http://aurora-c.jp/files/files/80562480065.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/5ec221cf2261f0156d9869c2114f7f53/bafutil.pdfIn PDF document text
  • http://www.gonouvellezelande.com/files/sobadaridefetabatar.pdfIn PDF document text
  • http://lyshiying.com/d/files/88169120098.pdfIn PDF document text
  • http://littlepearlspublishing.in/data/eimages/file/50434174811.pdfIn PDF document text
  • https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/fa981a196a2f9e40c92a6545f0d0f33f/vuzuzajut.pdfIn PDF document text
  • https://k-barrierfree.com/FileData/ckfinder/files/20210610_B504C2D768BAA323.pdfIn PDF document text
  • http://harc-ias.vn/Images_upload/files/wonekoled.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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