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://lerofiputa.weebly.com/uploads/1/3/4/3/134367001/1366827.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://traffset.ru/wb?keyword=craigslist%20atlanta%20jobs%20wanted PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4365656/normal_5f8761df98183.pdfIn PDF document text
  • https://s3.amazonaws.com/zabejuvijolu/61844871599.pdfIn PDF document text
  • https://s3.amazonaws.com/gotijejaj/bordereau_report_example.pdfIn PDF document text
  • https://lerofiputa.weebly.com/uploads/1/3/4/3/134367001/1366827.pdfIn PDF document text
  • https://xibuderopugef.weebly.com/uploads/1/3/4/0/134042602/e84bff764851d34.pdfIn PDF document text
  • https://nozojotama.weebly.com/uploads/1/3/4/5/134585139/c0033ec0fd850.pdfIn PDF document text
  • https://dopapebo.weebly.com/uploads/1/3/4/8/134870178/nakuzatexagat-makewoxajil-xuwiro.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369647/normal_5fd662220ae91.pdfIn PDF document text
  • https://patewowuxafopon.weebly.com/uploads/1/3/4/5/134595548/doxakidoz_jazibivazimifal_tezadotava_wutagatovabol.pdfIn PDF document text
  • https://waruzakelejabu.weebly.com/uploads/1/3/4/6/134600446/70f402c3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4481409/normal_5fabe2ab266dd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4475874/normal_5fab92f9a381a.pdfIn PDF document text
  • https://xovixonu.weebly.com/uploads/1/3/4/8/134896571/kozisujesu_kaverifo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4406466/normal_5fadcb945ca2c.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000d54d.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000d54d.bin)
  • https://uploads.strikinglycdn.com/files/1dffe946-65c5-47d4-ba05-2282ed402ad9/weather_station_homekit.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 extracted file (font_00_sfnt_off0000d54d.bin)

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