Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://ciela13.leaddeehub.com/userfiles/files/63925101543.pdf

  • http://innova-perila.ru/upload/files/65272775997.pdf
  • http://soft-pro.hr/upload/datoteke/23471766066.pdf
  • http://espaciocultivarte.com/ckfinder/userfiles/files/sojokoxamunojufugijaf.pdf
  • https://textolinguisticsolutions.com/upload/editor/file/37196325879.pdf
  • https://www.whoamiandwhyamihere.com/ckfinder/userfiles/files/65208963401.pdf
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/7cuff8tnmq6mhjs3elsoic0t71/86053476095.pdf
  • http://brickform.cz/obrazky/files/57780344770.pdf
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/4b704989e5f1717cf08b7b8c7f1e05e3/51567464056.pdf
  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/63774477621.pdf
  • http://m-s-g.ru/userfiles/files/51694497772.pdf
  • http://greenhousehotel.vn/uploads/image/files/3549298469.pdf
  • http://dishandspoonproductions.com/ckfinder/userfiles/files/dubeja.pdf
  • https://daulte.ch/ckfinder/userfiles/files/rinerik.pdf
  • https://szallas-karpatalja.hu/upload/tojigunufibomazuxusirot.pdf
  • http://e-hematologica.pl/users/file/pifisalopesagane.pdf
  • https://grandiosieventinuziali.it/filesUploads/file/68432481462.pdf
  • http://araulmor.tel-cor.com/images/library/file/dulowamufewis.pdf
  • http://marienoellebermond.com/img/uploaded/file/52535974682.pdf
  • http://laiyi-art.com/userfiles/file/73941518380.pdf
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/e375vp0s9slbsktbrehd4f83cf/79510603078.pdf
  • http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dagogepinumesuxagefojax.pdf
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/161476c3dd0872---velekatebixoxi.pdf
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/jdp5fa5im45kv3ms3i4m8butj3/tanuzu.pdf
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=mtga+android+download
  • 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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