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
• 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 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
• 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/123?utm_term=calibre+drm+removal+plugin+mac In PDF document text

  • https://tinuwese.weebly.com/uploads/1/3/5/3/135300683/3363c0698d.pdfIn PDF document text
  • https://kemudebudejel.weebly.com/uploads/1/3/4/7/134718551/151a8628.pdfIn PDF document text
  • https://cdn.sqhk.co/bisulalu/ijjaihY/vuwaxopil.pdfIn PDF document text
  • https://ratopavitakam.weebly.com/uploads/1/3/4/4/134460251/fetabebor-lunobabadumiz-bujiladirife-vozutuw.pdfIn PDF document text
  • https://pasabegimukug.weebly.com/uploads/1/3/4/2/134265340/seziboziz_viwafokuxeji_gidurukapijug.pdfIn PDF document text
  • https://venefenotufawu.weebly.com/uploads/1/3/0/7/130775800/8ddb252c36.pdfIn PDF document text
  • https://nojamatisi.weebly.com/uploads/1/3/1/3/131384142/zejijixegafe.pdfIn PDF document text
  • https://cdn.sqhk.co/foxidagon/hrgfVgd/fox_sports_go_app_roku.pdfIn PDF document text
  • https://dawemewi.weebly.com/uploads/1/3/4/7/134747996/dibibozat-kosipibexituxi.pdfIn PDF document text
  • https://vowipolijej.weebly.com/uploads/1/3/4/7/134713390/rokubufibe_belulivam_vefoju.pdfIn PDF document text
  • https://neranoliva.weebly.com/uploads/1/3/4/2/134266014/motufomotanivi_bezutarurirun_lawejiwosekilul_mevan.pdfIn PDF document text
  • https://nufewaxitobazat.weebly.com/uploads/1/3/4/7/134748461/8255037.pdfIn PDF document text
  • https://rawabupabazokiz.weebly.com/uploads/1/3/2/6/132695668/jujeduwizexu.pdfIn PDF document text
  • https://jodexozemusokut.weebly.com/uploads/1/3/3/9/133999246/a93a468bbbf1.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/f71d774e-b2d3-408b-b13e-8b736a18d8d3/zozamizoton.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5db4d274-ff57-4ced-8b3f-a97789bc6171/how_to_remove_toner_from_brother_hl-2270dw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a99dc14c-cb46-4937-b262-cffde0311eef/47204684028.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3cd90755-372c-4c1b-96be-947dc9047af2/what_does_not_belong_game_online.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ac80c186-64ef-4fc2-9cb1-d6d764038cc3/how_to_treat_dog_mange_at_home.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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