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://nodifolosorak.weebly.com/uploads/1/3/4/7/134758422/luxudaz-faxoboguge.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://nipisod.ru/wix?keyword=tnt+hosting+apk PDF link annotation

  • https://cdn.sqhk.co/morureju/ggfOUy2/14082878835.pdfIn PDF document text
  • https://cdn.sqhk.co/rinugezig/Lhayjeo/wafiwebokofujitez.pdfIn PDF document text
  • http://tajezedireg.iblogger.org/46553355553.pdfIn PDF document text
  • https://cdn.sqhk.co/kisasizaro/RDI1Cjc/27132199944.pdfIn PDF document text
  • https://cdn.sqhk.co/tanusulirava/k9Zjfks/fantasy_kingdom_defense_apk_mod.pdfIn PDF document text
  • https://cdn.sqhk.co/zolilobup/haxijge/mafisosit.pdfIn PDF document text
  • https://nodifolosorak.weebly.com/uploads/1/3/4/7/134758422/luxudaz-faxoboguge.pdfIn PDF document text
  • https://bozobazevadetob.weebly.com/uploads/1/3/1/6/131607158/jajafa.pdfIn PDF document text
  • https://wilalunawotepa.weebly.com/uploads/1/3/4/6/134608105/tisurewagotigabataf.pdfIn PDF document text
  • https://cdn.sqhk.co/wemerofada/5IdzxES/crossing_over_meiosis_stage.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/27e684db-4714-459f-8757-43e00b7b6dd6/lord_of_the_flies_chapter_9_and_10_questions_and_answers.pdfIn PDF document text
  • http://keporumutiwem.epizy.com/49515642359.pdfIn PDF document text
  • http://sererira.rf.gd/68401508389.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/037b1c70-4a3c-4331-a7ef-b51cc5cb2651/fedex_pickup_number.pdfIn PDF document text
  • http://xalajagixoba.epizy.com/pazutoxigelodawexiwawakoj.pdfIn PDF document text
  • http://nuposim.rf.gd/dojodusebifaz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d6007590-3751-4bd9-b6b1-733c99c8f5f7/deretonu.pdfIn PDF document text
  • http://bomafedugu.epizy.com/168_bus_times.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f3b75437-163e-49ea-893c-c592e823b37a/30599102525.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9cde2ef2-1bd4-490f-95d7-65b53648d9ab/2020_taotao_49cc_scooter.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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