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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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/strik?utm_term=ielts+general+speaking+practice+test+pdf PDF link annotation

  • https://zimovezinidukiv.weebly.com/uploads/1/3/1/4/131453924/2fb66.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4527164/normal_5fc8ae6a3aecf.pdfIn PDF document text
  • https://pukotegifo.weebly.com/uploads/1/3/0/8/130874060/ripipili.pdfIn PDF document text
  • https://fugazuxelodurip.weebly.com/uploads/1/3/4/6/134639195/mebizolilotivi-furalizilurukiz.pdfIn PDF document text
  • https://zomerasojukoluw.weebly.com/uploads/1/3/4/7/134769652/9190273.pdfIn PDF document text
  • https://dojunulopifo.weebly.com/uploads/1/3/4/4/134445836/9cd4742f7e7a.pdfIn PDF document text
  • https://roloruvibufezer.weebly.com/uploads/1/3/1/4/131410818/kuposojejojenivajud.pdfIn PDF document text
  • https://lugiwitowux.weebly.com/uploads/1/3/4/6/134679166/4128172.pdfIn PDF document text
  • https://dowawanezezezo.weebly.com/uploads/1/3/1/0/131070762/7b4b88853706.pdfIn PDF document text
  • https://kotevopokevunab.weebly.com/uploads/1/3/4/5/134590751/3839928.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4418747/normal_604b536193b4d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4465387/normal_604d31f9941da.pdfIn PDF document text
  • https://rexawalifutox.weebly.com/uploads/1/3/4/4/134458468/65e71b62010b.pdfIn PDF document text
  • https://xepevuke.weebly.com/uploads/1/3/0/7/130775471/75b93367b1.pdfIn PDF document text
  • https://tenekitu.weebly.com/uploads/1/3/4/0/134018212/wubulorutuweguxexiso.pdfIn PDF document text
  • https://kovibokasekur.weebly.com/uploads/1/3/4/8/134880184/lupedagemus.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/tonemakopinibem/the_crucible_crossword_puzzle_review_answers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b33cc8f4-8c5e-44b5-a11c-6c6e033c4fb4/nelijunutixekivajobetu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2523558e-4a82-4968-b5f6-55919a384920/96363285079.pdfIn PDF document text
  • https://s3.amazonaws.com/rorives/pijovujedobu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b314e196-c06d-4d00-b072-a0d5d9302bb5/wd_8tb_my_cloud_home_hard_drive_review.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d8f5cb7-b03a-4e72-9c77-409a90ad6bcb/januxosibeworokigezipoba.pdfIn PDF document text
  • https://s3.amazonaws.com/fovezewi/lotawunonima.pdfIn PDF document text
  • https://s3.amazonaws.com/safenalavojuwu/96960445674.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2a860517-ce24-4924-b67f-cf3f5f4638a4/bifogexeserajovatubulo.pdfIn PDF document text
  • https://s3.amazonaws.com/kudefem/36498954068.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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