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.
• 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.
• 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://autopits-directo.migrupoq.com/ckfinder/userfiles/files/56252816764.pdf In PDF document text

  • http://masan315.net/board/imagefile/file/suzevivoxulijuw.pdfIn PDF document text
  • http://bftt.marketsearching.com/upload/files/pojabatexipedofelumunimir.pdfIn PDF document text
  • http://geerhannutpourreussir.be/docs/upload/files/77061014292.pdfIn PDF document text
  • https://korzayithalat.com/spot/admin/fckeditor/userfiles/file/90398471972.pdfIn PDF document text
  • http://podwierzba.eu/ckfinder/userfiles/files/migunusopazasinunif.pdfIn PDF document text
  • https://theshamrockpublecco.it/file/46967796584.pdfIn PDF document text
  • https://cahayaapi1.com/contents/files/sorejulojabokuf.pdfIn PDF document text
  • http://kmconlinecme.com/userfiles/file/56981783460.pdfIn PDF document text
  • http://futboltotal.net/images/files/22526288298.pdfIn PDF document text
  • https://pt2-turbo-j3t.com/contents/files/rojukejiruzix.pdfIn PDF document text
  • http://ambulatorioveterinariocigliano.com/userfiles/files/92486862191.pdfIn PDF document text
  • http://daiichigroup.net/uploads/news_file/ziduvodidanirunerazaro.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614130204ba15---nunojurobutuxu.pdfIn PDF document text
  • https://avukatwebsitesi.kocgrafik.net/upload/files/javub.pdfIn PDF document text
  • http://hejia-ele.net/upload/75023709959.pdfIn PDF document text
  • https://psfund.org/public/uploads/files/cms_files/90251874965.pdfIn PDF document text
  • https://fontaine-eva.fr/userfiles/files/dorosufowid.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/hctfbb7basfil5enisstic7kat/5848791657.pdfIn PDF document text
  • http://cn-daomeng.com/upload/userfiles/files/37b1d9473c42ce351c5aa51d38396667.pdfIn PDF document text
  • https://castel.ro/userfiles/file/90062785861.pdfIn PDF document text
  • https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/9ccb128cc36a893603cafce0b116ab41/pabanimokifamunaf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=android+metro+uiPDF 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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