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://narivuwejuw.weebly.com/uploads/1/3/5/3/135310919/1728355.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://jacksth.ru/123?utm_term=maxima+and+minima+questions+and+answers+pdf PDF link annotation

  • https://narivuwejuw.weebly.com/uploads/1/3/5/3/135310919/1728355.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4407998/normal_600611762e082.pdfIn PDF document text
  • https://wupupuredizuso.weebly.com/uploads/1/3/4/8/134894828/tapoxal.pdfIn PDF document text
  • https://kenojulovananav.weebly.com/uploads/1/3/4/0/134016885/sunigajudovi.pdfIn PDF document text
  • https://kabirajozef.weebly.com/uploads/1/3/2/7/132740353/1739606.pdfIn PDF document text
  • https://static.s123-cdn-static-d.com/uploads/4459165/normal_60b714ba40902.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385230/normal_60be5e615677e.pdfIn PDF document text
  • https://jimepozuzaz.weebly.com/uploads/1/3/5/3/135350414/9e795ad.pdfIn PDF document text
  • https://garixapevawena.weebly.com/uploads/1/3/4/4/134495328/doxovuzefafo.pdfIn PDF document text
  • https://juwomazitebuden.weebly.com/uploads/1/3/1/4/131414743/zesimoxik_juvagubol_wivimuvi_pexetidof.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4418188/normal_601ef5347c1ae.pdfIn PDF document text
  • https://xudidetopos.weebly.com/uploads/1/3/4/5/134579215/lawopiwelolefa.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://jesababa.pbworks.com/w/file/fetch/144414729/types_of_register_in_english_language.pdfIn PDF document text
  • http://fijinatuzut.pbworks.com/w/file/fetch/144795660/38259503699.pdfIn PDF document text
  • http://tagexoba.pbworks.com/f/devipefe.pdfIn PDF document text
  • http://xelivolofuso.pbworks.com/w/file/fetch/144548022/71637649838.pdfIn PDF document text
  • http://natutaliva.pbworks.com/f/best_insta_downloader_apk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ff989d0a-30cf-4404-b5a0-3992a7671755/ap_psychology_psychologists.pdfIn PDF document text
  • http://dadilotofexi.pbworks.com/w/file/fetch/144667362/5283763478.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b12d3374-bd7b-45a1-b40f-ab433919893c/zunupono.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/870bf4b2-2bef-41e6-8ecc-ad84935eba31/39487116074.pdfIn PDF document text
  • http://fozujedax.pbworks.com/f/brighter_grammar_1.pdfIn PDF document text
  • http://bavudexote.pbworks.com/f/what_is_a_preposition_and_types.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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