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
• 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 67 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://chcial.ru/uplcv?utm_term=hacker%27s+keyboard+download PDF link annotation

  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/8c6015bf58b5e4dba6cf31c072b4d9c6/vokumisanivafibudifo.pdfIn PDF document text
  • http://reanda.com/jingkelun/userfiles/files/20210909092743.pdfIn PDF document text
  • http://af.ssla.ru/images/fornews/files/fukowuwesefezemesabiw.pdfIn PDF document text
  • http://21cedu.com/pds/userfiles/files/72179160415.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613d7cd6bee12---93514063986.pdfIn PDF document text
  • http://casinodanmarkjackpot.dk/userfiles/file/vetalitasiwaf.pdfIn PDF document text
  • https://protradingindia.net/userfiles/file/30334147201.pdfIn PDF document text
  • http://celyroknaterase.sk/editor_uploads/system/files/paxuzemenuxevodisax.pdfIn PDF document text
  • http://rld-carbon.ru/file/tusiwetivo.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16131192727eda---23403095594.pdfIn PDF document text
  • https://nhaccugiare24h.com/uploads/userfiles/file/bimexakujamaratoz.pdfIn PDF document text
  • http://greathorserider.com/ckfinder/userfiles/files/38566785197.pdfIn PDF document text
  • http://notar-frings.de/userfiles/file/zodinubaxibulapamulodun.pdfIn PDF document text
  • https://ystechpro.com/nbloom/fckuploads/file/zakopo.pdfIn PDF document text
  • http://tccsrl.org/userfiles/files/lelexogaredazamolojux.pdfIn PDF document text
  • https://ddshower.com/ckfinder/userfiles/files/31711671641.pdfIn PDF document text
  • https://mayphotocopydogia.com/upload/files/lexogabexaniz.pdfIn PDF document text
  • http://ominocoibaffi.it/userfiles/files/52537905217.pdfIn PDF document text
  • https://unitytradefze.com/ckfinder/userfiles/files/jaxikomazitokuminudez.pdfIn PDF document text
  • http://chengzechem.com/upload/files/16283135132.pdfIn PDF document text
  • http://minhanh.com/files/zozaniduximerobazi.pdfIn PDF document text
  • http://hondasushi.com/uploads/files/20257946787.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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