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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://zetolame.weebly.com/uploads/1/3/0/7/130775520/6497164.pdf.
• 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.
• 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://druttle.ru/wix?keyword=6+column+worksheet+example PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4470399/normal_6007d6cb48f31.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368970/normal_604d0256e325b.pdfIn PDF document text
  • https://zetolame.weebly.com/uploads/1/3/0/7/130775520/6497164.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385437/normal_6019cf3373649.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4477626/normal_5fcce39ae3f31.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4479925/normal_60289c177ff16.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4443357/normal_602eebb83d199.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4373016/normal_6000c25237d13.pdfIn PDF document text
  • https://cdn.sqhk.co/selugijibix/idAggii/sukukidavawofoxiwapi.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4484818/normal_5feb4e5d1cb29.pdfIn PDF document text
  • https://bopidojosonek.weebly.com/uploads/1/3/1/3/131384153/8220435.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4471513/normal_6049b8346edc4.pdfIn PDF document text
  • https://cdn.sqhk.co/zarejesorufo/jKhigjf/xavoduzezeraweneje.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/7b33e721-a938-48ae-b244-7c22635009b7/metamorphosis_kafka_film.pdfIn PDF document text
  • https://d5fb4b5d-766d-4e54-ab1c-ecc61d2b7d82.filesusr.com/ugd/b0c8dc_3fe9c9bd9d3a4763bb08dde5cacd4fef.pdf?index=trueIn PDF document text
  • https://f0ddeb88-3549-4a27-8821-6e3dd713f165.filesusr.com/ugd/2b74da_ac594c6f54b54d4c8d46b61e0d51861b.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/53e85c45-376b-4691-8df8-0c8dbdcff8c3/28664745792.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/62992101-c9af-4614-9057-891de010cbc8/how_to_create_a_business_account_with_usps.pdfIn PDF document text
  • https://d21da297-2d1c-4020-882f-059d99c29dc9.filesusr.com/ugd/3724a2_c5455b14906342bdb992a91e26084266.pdf?index=trueIn PDF document text
  • https://c504e2ef-f928-4e80-b5b1-fc05046f432e.filesusr.com/ugd/247f25_89016b4abd1d491eaaa783709a05bb9a.pdf?index=trueIn PDF document text
  • https://30d6ba4c-d201-4e26-8f31-a0e059b28788.filesusr.com/ugd/f9b8bb_30c960007138462ba5171de4134976f7.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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