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.
• 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.
• 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://lozipotod.ru/strik?utm_term=change+time+on+dsc+1616 PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4403262/normal_5fca9f3c3d3fe.pdfIn PDF document text
  • http://daimontimur.org/what_does_f-value_meanzm4os.pdfIn PDF document text
  • https://moxuvobojivoz.weebly.com/uploads/1/3/0/8/130873852/4330789.pdfIn PDF document text
  • https://bazofaxeretaw.weebly.com/uploads/1/3/4/8/134868688/46ea52acc.pdfIn PDF document text
  • http://4bochki.ru/how_to_math_word_problemsc6n4n.pdfIn PDF document text
  • https://potuvafu.weebly.com/uploads/1/3/4/3/134395753/wetuzoxiguxedur_zaxetawisa_megitujetuv_sudavetebu.pdfIn PDF document text
  • https://cdn.sqhk.co/gukugifixija/d7Lk8hj/72347507804.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385235/normal_600dd3d95ae3f.pdfIn PDF document text
  • http://qqkaxes.xyz/2189241551663cfg.pdfIn PDF document text
  • https://cdn.sqhk.co/norifasil/jbXighe/hd_wallpapers_for_laptop_1920x1080_free_download_joker.pdfIn PDF document text
  • https://zogazakuf.weebly.com/uploads/1/3/1/6/131636678/futosogiferopafixol.pdfIn PDF document text
  • https://dopitusorotid.weebly.com/uploads/1/3/0/7/130738794/7081537.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://45ae50e1-98a8-4501-9ad6-fc0df438eb43.filesusr.com/ugd/b16523_9b08a9f93a9f489ca67da04e71422819.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/sonutopexaramuf/diary_of_a_wimpy_kid_book_number_order.pdfIn PDF document text
  • https://s3.amazonaws.com/tanapilamaxi/11513239963.pdfIn PDF document text
  • https://d4f4546a-a836-4b3d-8651-c56b89608eca.filesusr.com/ugd/3e9e83_d11afa5fac74402ba94e074aabce8aa8.pdf?index=trueIn PDF document text
  • https://eadb47d6-6712-4ecd-aa5a-2cdcf2d90b86.filesusr.com/ugd/c844bf_3b3ba73b67ba4711a9513def0eeaf9ab.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/semuxemakaw/10592764524.pdfIn PDF document text
  • https://s3.amazonaws.com/livivuvuwugeb/what_does_a_half_moon_and_star_tattoo_mean.pdfIn PDF document text
  • https://ea7788ad-ef5a-48b5-911d-3ad522045378.filesusr.com/ugd/f3bfbb_88add3c8d9e744ef92bf0b11bc77ec9d.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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