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) or Microsoft license-boilerplate 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=epson+p800+ink+usage In PDF document text

  • https://fepobiwebefu.weebly.com/uploads/1/3/4/5/134592484/nagebogagepe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4465704/normal_6009da2216b66.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4488336/normal_60286956375f3.pdfIn PDF document text
  • https://fepobiwebefu.weebly.com/uploads/1/3/4/5/134592484/23b5383eceda.pdfIn PDF document text
  • https://sabiwivilo.weebly.com/uploads/1/3/4/3/134316676/54b5276990b3857.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4529149/normal_5fdaf0b93bd49.pdfIn PDF document text
  • https://parafobosa.weebly.com/uploads/1/3/1/8/131857791/5905809.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4443325/normal_60254b361ca88.pdfIn PDF document text
  • https://zudomizat.weebly.com/uploads/1/3/5/3/135308615/60438eb.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4403565/normal_5fc628901b75f.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/19065066-f370-44e2-bab8-ace55f0710d7/what_does_zao_xing_mean_in_chinese.pdfIn PDF document text
  • https://22520ec4-2132-45a5-98b8-54db1b71d3ea.filesusr.com/ugd/b33b96_e6dc08167e1543de8687b98f43fd3278.pdf?index=trueIn PDF document text
  • https://e590c0d9-b694-44fb-9862-47327b30d8b0.filesusr.com/ugd/89363e_b80d015175a842959743d0bf3f0bc1fa.pdf?index=trueIn PDF document text
  • https://a4346b84-4611-49ab-b113-80c9188ca613.filesusr.com/ugd/078c79_08a0476b3a68499a926eec3156ee681a.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/7a36d478-6cb2-424c-a8e1-a7771de2e25f/bandicam_free_serial_key.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/819bd9a5-78bf-4d6b-b114-76844aece0ce/20685325664.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5a97abe1-e2d1-4f15-9fc6-7e77797c79d1/tesef.pdfIn PDF document text
  • https://6c8ebe11-725c-420b-823a-68bc39d02ad2.filesusr.com/ugd/3e87bf_b22e528c9c074654a81f6e2aa79f89d3.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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