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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• PDF carries website-builder CDN document link farm medium PDF_CDN_PDF_LINK_FARM
  PDF contains many clickable PDF links parked on website-builder CDNs or simple download gateways together with visible ebook, manual, or download lure text. This matches generated SEO document carriers used to route users through untrusted link/download chains; the PDF itself is an inert link carrier.
• 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://trafffe.ru/wb?keyword=battlefield%20heroes%202019 PDF link annotation

  • https://s3.amazonaws.com/sazixipame/requisitos_para_el_pasaporte_mexicano_2019.pdfIn PDF document text
  • https://s3.amazonaws.com/mogedozara/cercle_de_la_forme_beaubourg_horaires.pdfIn PDF document text
  • https://gapigapale.weebly.com/uploads/1/3/4/8/134896702/sodolabebawerep_mazovezo_zunijumupezelas.pdfIn PDF document text
  • https://s3.amazonaws.com/xilasisefi/cursive_capital_j_worksheet.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4424400/normal_5f99052a11789.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413369/normal_5f9f0227b09ff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408348/normal_5fb744f023e95.pdfIn PDF document text
  • https://s3.amazonaws.com/dirijazi/vebujivenejosav.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380228/normal_5f8e1a372dba2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421783/normal_5fbdbd4de0309.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4454673/normal_5faad0e11c44c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4460232/normal_5fbb18498736c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4487918/normal_5fb5387cef3bb.pdfIn PDF document text
  • https://s3.amazonaws.com/zerejibixupav/core_java_programming_interview_questions_and_answers_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/padadutiseni/4421379339.pdfIn PDF document text
  • https://s3.amazonaws.com/remuv/lelasiwixun.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000d29f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000d29f.bin)
  • 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_off0000d29f.bin)

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