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://milelujip.weebly.com/uploads/1/3/4/8/134861654/kowerewesamapiribaxi.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://golowaki.ru/strik?utm_term=how+to+construct+an+acute+scalene+triangle PDF link annotation

  • https://milelujip.weebly.com/uploads/1/3/4/8/134861654/kowerewesamapiribaxi.pdfIn PDF document text
  • http://sekelenogake.getenjoyment.net/91904745895.pdfIn PDF document text
  • https://mijagipiked.weebly.com/uploads/1/3/4/5/134524971/lozamozobev_webabeva_bejojeranizagi_julebefuve.pdfIn PDF document text
  • http://fejukoturig.medianewsonline.com/can_i_use_all_purpose_flour_to_make_bread_in_my_bread_machine.pdfIn PDF document text
  • http://koprovk.xyz/solefisujojimajigetycrty.pdfIn PDF document text
  • https://tasitonedilegu.weebly.com/uploads/1/3/5/3/135301248/d9ac8d6c9e3dd56.pdfIn PDF document text
  • https://wedutigumufezeb.weebly.com/uploads/1/3/4/6/134659425/gusoxiwuwozolewifir.pdfIn PDF document text
  • http://instapriz365.online/mapa_conceptual_de_los_conceptos_bsicos_de_la_estadstica63k1a.pdfIn PDF document text
  • http://linavaluviriv.getenjoyment.net/hisense_portable_air_conditioner_remote_control.pdfIn PDF document text
  • https://bupedokan.weebly.com/uploads/1/3/1/6/131607930/7ece9.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://radiviwix.onlinewebshop.net/84546457311.pdfIn PDF document text
  • http://futakanawus.onlinewebshop.net/solid_state_chemistry_and_its_applications_answers.pdfIn PDF document text
  • https://80172413-d145-4b71-b7cf-4a007d76ad29.filesusr.com/ugd/cacfd7_28643e4dd6e4432bb8052a6f23c6d8d3.pdf?index=trueIn PDF document text
  • http://pevogikuxupeja.onlinewebshop.net/hp_stream_11.pdfIn PDF document text
  • http://palelezugob.onlinewebshop.net/70136758929.pdfIn PDF document text
  • https://23751d96-d7b3-42ca-b8ca-e459b671ea95.filesusr.com/ugd/7de994_004f827862d540a0aa41345bc388c887.pdf?index=trueIn PDF document text
  • https://efed9c07-4553-4484-a419-1b844d271aeb.filesusr.com/ugd/6f475a_4bb2e81da53547cfa72de88756627ee2.pdf?index=trueIn PDF document text
  • https://2c8134a4-d865-4da1-8961-c755d7242105.filesusr.com/ugd/6dcf04_cbaf887100bb42e3a4442cddc6c7ba48.pdf?index=trueIn PDF document text
  • https://8eeb1f0a-0cdd-4c66-98a4-83777b49fb54.filesusr.com/ugd/64f9d2_fa4266d53d2d41f095586c7142177422.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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