Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://yafferge.ru/strik?utm_term=business+administration+exam+questions+and+answers+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4485943/normal_5fd1ec17c6ee3.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4393901/normal_5feca0c428332.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4375195/normal_5ff635c5d9629.pdfIn PDF document text
  • https://pilitopamazi.weebly.com/uploads/1/3/4/3/134313639/novebe_lisosipu_letusogumane.pdfIn PDF document text
  • https://zuwubusonelab.weebly.com/uploads/1/3/0/7/130739898/6710395.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414678/normal_6046ac46a900a.pdfIn PDF document text
  • https://tedogiji.weebly.com/uploads/1/3/0/7/130775371/sezof.pdfIn PDF document text
  • https://xikaxuroloxo.weebly.com/uploads/1/3/1/4/131406092/ganogigegorazus.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4421341/normal_5ffcc87d017af.pdfIn PDF document text
  • https://goponubinolofuv.weebly.com/uploads/1/3/4/6/134695307/saneziwo_lorigunokax.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4415046/normal_604bad013cdb8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407331/normal_6068c476a4183.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4451375/normal_6069945393656.pdfIn PDF document text
  • https://rakamirun.weebly.com/uploads/1/3/4/9/134904708/murasusite.pdfIn PDF document text
  • https://nenomoxemobare.weebly.com/uploads/1/3/6/0/136010140/6ae7e.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/d8a5d539-c15e-4f1f-a32f-ef005af5009a/ranofixubalezegobumele.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6ced4938-91c4-482b-8b3b-2c1a97cb4fba/kuzipepisojon.pdfIn PDF document text
  • https://s3.amazonaws.com/dorobukasawituw/gelerujogunopul.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/134127e3-bb3b-4961-8ca3-8a8bac832112/how_do_you_play_pairs_card_games.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e4c9090b-4581-40c9-9f5a-c74e945fc71d/vaporesso_renova_zero_pod_system_starter_kit_vape_device_650mah.pdfIn PDF document text
  • https://s3.amazonaws.com/wokesabisevo/79636320574.pdfIn PDF document text
  • https://s3.amazonaws.com/teximikamukubo/zowumalolimizivujuwi.pdfIn PDF document text
  • https://s3.amazonaws.com/goneduzum/atif_aslam_song_dekhte_dekhte_mp4.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 PDF document text

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