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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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) or Microsoft license-boilerplate 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://gimoguvi.ru/strik?utm_term=which+tankless+water+heater+is+best+gas+or+electric PDF link annotation

  • https://cdn.sqhk.co/lididiregi/Bypdejc/thailand_alphabet_notebook.pdfIn PDF document text
  • https://romarifekaxa.weebly.com/uploads/1/3/2/6/132683260/6957491.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4445890/normal_5fdbb1b39c503.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4457876/normal_601bdd8bde6cd.pdfIn PDF document text
  • https://cdn.sqhk.co/lekaguko/ahflLid/77311499368.pdfIn PDF document text
  • https://lodirunesu.weebly.com/uploads/1/3/0/8/130874391/tojikixexovane_sokuwanutazij_vutoxefuxamim.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385228/normal_5fdbf3f3919bf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383568/normal_60313ce2efad7.pdfIn PDF document text
  • https://cdn.sqhk.co/sugojipo/jhbhhih/hornblower_books_chronological_order.pdfIn PDF document text
  • https://cdn.sqhk.co/sofilita/Wijjfid/18723812820.pdfIn PDF document text
  • https://cdn.sqhk.co/dewufidabo/bjdgcjb/fun_with_physics_experiments_amazing_puzzle_games.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4477629/normal_5fe2d9fecdd38.pdfIn PDF document text
  • https://cdn.sqhk.co/nejajevafode/bhdjfe5/24951111744.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://d52aed46-be45-4f9b-8106-cf6fc7ee66c0.filesusr.com/ugd/b148e5_032111ad78d2429eb9c9d2a78b175fdc.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/fd148bb3-7cf5-4e22-ba46-b6ced55ee3ed/gesiv.pdfIn PDF document text
  • https://044ec7df-721b-4788-b209-87474a3fcb06.filesusr.com/ugd/60ffa2_896dc552052743e4a0a27ab72dff1769.pdf?index=trueIn PDF document text
  • https://7afcd0b8-98df-42a4-afe0-9544d44c9539.filesusr.com/ugd/74e9cf_6c9b896f9c554285b4fee7f897f1e351.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/e597c318-2a18-4d3c-b376-f31be14755b2/bostitch_framing_nailer_f28ww_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/94768b7d-c78b-4640-a493-f06d72e84052/29872882553.pdfIn PDF document text
  • https://359ea524-acbf-40a7-8d58-ee96a8f10bc8.filesusr.com/ugd/ca2e76_57f258b7cdeb48518a44294eb4ae42cf.pdf?index=trueIn PDF document text
  • https://a43ab9c2-5efb-4cee-ac06-b782a0f5e207.filesusr.com/ugd/4826f5_b0f1941b8d3041769e539a089fb71180.pdf?index=trueIn 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://scripts.sil.org/OFLIn PDF document text

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