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.
• 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.
• 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://zajinet.ru/strik?utm_term=breville+juicer+recipes+oranges PDF link annotation

  • https://cdn.sqhk.co/lofesaxudiwo/ftohi99/38759842873.pdfIn PDF document text
  • https://cdn.sqhk.co/xogovofofi/dGDSheT/american_football_wallpaper_raiders.pdfIn PDF document text
  • https://cdn.sqhk.co/sapamine/eciiGS4/41447475967.pdfIn PDF document text
  • https://cdn.sqhk.co/jigugabopu/fkijSUq/nwsl_expansion_draft_predictions.pdfIn PDF document text
  • https://cdn.sqhk.co/bapisolel/knxjeie/ninja_blender_black_friday_2020.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366035/normal_6068f580e036e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378390/normal_6038076b24463.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4463298/normal_5ff94247cbcf1.pdfIn PDF document text
  • https://cdn.sqhk.co/jagakutojut/eWicgiP/paypal_security_phone_number_changed.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/e666c497-6686-442c-a47f-d7a9aefdafc6/attack_on_titan_season_4_wallpaper_4k_phone.pdfIn PDF document text
  • https://s3.amazonaws.com/zerejibixupav/37955081320.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0e8f5510-b2bd-48e4-a6d1-9f8dd4a7af12/which_is_the_second_longest_harry_potter_book.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c7b32d23-27de-4308-afeb-ae867ce75a5c/momijuvemekofu.pdfIn PDF document text
  • https://16012499-1299-48b0-8cdd-5f23a7749958.filesusr.com/ugd/fafc38_691abb9499714327b7802779677be641.pdf?index=trueIn PDF document text
  • https://d190c387-1498-4382-a59e-98d1a0a9794c.filesusr.com/ugd/a91264_a4af87c77b5a4da1b3d75b40ad3156b9.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/xufaxoferugod/one_punch_man_monster_garou_vs_saitama.pdfIn PDF document text
  • https://s3.amazonaws.com/kovezodepugov/corporate_mailer_design_templates_free.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8b0b2b14-e399-493b-aff4-14b835f36a9f/30448170819.pdfIn PDF document text
  • https://e4fb9bf1-a3d6-4767-9bf2-2a1021e5dc09.filesusr.com/ugd/53cfc7_8cf3ea6fdb2748fab8845cf371540b93.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/995ba983-c7b6-467c-aeba-90620cf78980/xowalawod.pdfIn PDF document text
  • https://6f84c080-6bd2-4154-8ce1-0e390380bda5.filesusr.com/ugd/defdb4_6339e7c7b67e421cb7e39ca2cc699334.pdf?index=trueIn PDF document text
  • https://7f06b679-e14d-4525-8955-d56a7cf6f710.filesusr.com/ugd/79e5df_147229f438234d78bf927ea2004add18.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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