Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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) 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://crophysi.ru/strik?utm_term=how+can+i+check+my+food+stamp+balance+online PDF link annotation

  • https://kigukudisan.weebly.com/uploads/1/3/5/3/135321724/10a91bf35a3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374983/normal_6027cc69754c5.pdfIn PDF document text
  • http://kenugizi.getenjoyment.net/quantum_field_theory_demystified_free_download.pdfIn PDF document text
  • https://tokuniti.weebly.com/uploads/1/3/4/3/134331772/7043771.pdfIn PDF document text
  • http://popapirim.22web.org/vamobemepaxubetikes.pdfIn PDF document text
  • https://lijupumo.weebly.com/uploads/1/3/4/4/134496400/2dade.pdfIn PDF document text
  • https://nasuxixogidipan.weebly.com/uploads/1/3/4/7/134701521/nutusuxelotiwa.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4393631/normal_600988019e61d.pdfIn PDF document text
  • https://wojedebaroz.weebly.com/uploads/1/3/1/6/131637691/7616051.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386851/normal_5fe995bc3f079.pdfIn PDF document text
  • https://lofemeraj.weebly.com/uploads/1/3/2/8/132814933/5038337.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4413122/normal_5feeafc056884.pdfIn PDF document text
  • https://loxojewumiv.weebly.com/uploads/1/3/4/6/134651611/nawovesavu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4453115/normal_602ffaf9153f6.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • http://radagosedapisat.epizy.com/how_to_use_presonus_studio_one_4.pdfIn PDF document text
  • https://6205d428-d5dc-494e-bbc3-e2236f9d811e.filesusr.com/ugd/6885a6_ff460553c18445bb9d01bf7588f718af.pdf?index=trueIn PDF document text
  • https://69868269-04aa-4a0d-8379-1371762fd556.filesusr.com/ugd/d8beff_a1dd302196fd4cb7b49e729b77b25b53.pdf?index=trueIn PDF document text
  • http://xugonowelimije.epizy.com/sierra_243_wssm_load_data.pdfIn PDF document text
  • https://e7f45dcf-1957-410e-85b1-216e85a225c4.filesusr.com/ugd/a2c2bc_4f721f26644941debd0e46a9dcea01a3.pdf?index=trueIn PDF document text
  • https://d6d3a1c5-32ce-46e9-ae92-c5b8d84d65d9.filesusr.com/ugd/a3b54b_e3248f785067439d81bcd4bf5977815f.pdf?index=trueIn PDF document text
  • http://zodofujeki.atwebpages.com/22423240768.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://scripts.sil.org/OFLIn PDF document text

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