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
• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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=vizio+e+series+55 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4379473/normal_6015e7b59ba96.pdfIn PDF document text
  • https://gokotaxoka.weebly.com/uploads/1/3/4/1/134109163/mogeveravabezebij.pdfIn PDF document text
  • https://pafebexazare.weebly.com/uploads/1/3/1/1/131163914/tuveb-saketalamag.pdfIn PDF document text
  • https://mufusudakewita.weebly.com/uploads/1/3/2/6/132681672/2448158.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411700/normal_6038b75787ebc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4501993/normal_605055ff6b1cf.pdfIn PDF document text
  • https://jikuwizavu.weebly.com/uploads/1/3/4/8/134873999/lefevomebobevenofi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4484364/normal_6029c96136da4.pdfIn PDF document text
  • https://kuvijoxujav.weebly.com/uploads/1/3/4/2/134266993/xotamopabowa.pdfIn PDF document text
  • https://lolijejolo.weebly.com/uploads/1/3/4/4/134442146/103f1edec25ec.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4388818/normal_5ff0314137591.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4490534/normal_5fd7bfee1899e.pdfIn PDF document text
  • https://wimukevefom.weebly.com/uploads/1/3/0/7/130739067/973c62e3048a1b7.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://1ceef7f3-d523-4f80-a0a4-3aed54d3d17a.filesusr.com/ugd/48841a_54a9f53847e340919fd6f39b1235ba30.pdf?index=trueIn PDF document text
  • https://351e5f87-f9e5-4015-92cd-d601692b9ec3.filesusr.com/ugd/a0d0d3_d4a0114f0f344790bf319185787042ea.pdf?index=trueIn PDF document text
  • https://245ae9ba-e923-43ed-bc11-30ed5d1acd78.filesusr.com/ugd/051519_c59b9022047b48508ef8b172417209bb.pdf?index=trueIn PDF document text
  • https://e49cd12a-7e53-4a25-9f98-ae37b5ff2e44.filesusr.com/ugd/35dc59_db2f65b188e748989a510f0eeef0e5b6.pdf?index=trueIn PDF document text
  • https://f395d2f2-f939-483b-815f-81062d4747ff.filesusr.com/ugd/be2697_d44ebab776824e0aaf0954791ce8a6de.pdf?index=trueIn PDF document text
  • https://4e33067b-0f13-4bed-bb9c-ea95f768fd7c.filesusr.com/ugd/23924c_f3e045f23efa42b2ac1c46c43653606c.pdf?index=trueIn PDF document text
  • https://0bdb67af-4c57-4a6e-9706-714cc80719f5.filesusr.com/ugd/fc840b_3af2ad9151f24641a6759668b8c09b21.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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