Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 1 text block(s), carries a click-outward action, and is only 69 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160e16d6b4609c---rawepejamalajososera.pdf In PDF document text

  • http://burningspearmarketplace.com/js/ckfinder/userfiles/files/mobeligo.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4356a1d0e---joluseselewun.pdfIn PDF document text
  • http://szyoujin.com/UploadFile/file/20210805102643706.pdfIn PDF document text
  • http://ikoi-es.club/yamituki-n/uploads/files/46595301763.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/6975473940.pdfIn PDF document text
  • https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/9g5lioggtkdvup10uc4fet5e01/zotukomuvegu.pdfIn PDF document text
  • https://alshaabcoop.com/userfiles/file/73665116238.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087150c19022---vuzazowizuraxupabirepa.pdfIn PDF document text
  • http://lg-palette.com/upload/files/98421178047.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1609b1b1a313c8---87216751066.pdfIn PDF document text
  • http://anandtouristcorporation.com/uploads/86027661421.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1608ef81e16afb---lenaxopimubusamat.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c479a1982c0---84858470269.pdfIn PDF document text
  • http://maivietnamesecotati.com/uploads/files/wefukovagifekulibewifizoz.pdfIn PDF document text
  • http://pkpneu.cz/userfiles/file/digeto.pdfIn PDF document text
  • http://easyreturn.store/userfiles/file/29385142710.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/3866e52ac5c74337e273ad46e6004162/30377847263.pdfIn PDF document text
  • http://szkolka-wiercioch.pl/files/file/81487875373.pdfIn PDF document text
  • http://alcantara.cz/data/file/sezopomerafiwuwib.pdfIn PDF document text
  • http://frutapac.es/ckfinder/userfiles/files/93578362085.pdfIn PDF document text
  • https://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/d21d10f845613569a32b66cfec363f0a/timojemelagezomubixedefe.pdfIn PDF document text
  • http://evola.it/userfiles/files/jotusetezuxopiwovo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=circular+habit+tracker+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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