Malicious PDF — malware analysis report

Heuristics 8

• 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.
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://zajinet.ru/wix?keyword=pm+3110+final+exam+answers+2018 PDF link annotation

  • http://sakepugikunon.mypressonline.com/allen_ginsberg_howl_and_other_poems.pdfIn PDF document text
  • https://cdn.sqhk.co/dedogupazib/jiM0Cmd/27818264514.pdfIn PDF document text
  • http://fineagencyy.com/reys_lineage_explainedepa0p.pdfIn PDF document text
  • https://cdn.sqhk.co/sefibenip/jeZicgg/31214916967.pdfIn macro / runtime command snippet
  • https://cdn.sqhk.co/pemoxeriko/dxjB2hS/solar_system_planets_pictures.pdfIn macro / runtime command snippet
  • http://urolog.xyz/450879734567npk0.pdfIn PDF document text
  • http://domensita.fun/ielts_answer_sheet_sample_writing6vh4p.pdfIn PDF document text
  • https://cdn.sqhk.co/pufuxogife/jczgfpA/41827506167.pdfIn PDF document text
  • http://sosyaltakipcipanelin.com/66674229803n1nj.pdfIn PDF document text
  • https://cdn.sqhk.co/gawagunikuw/aDiahie/christmas_pixel_coloring_pages_for_adults.pdfIn PDF document text
  • http://fineagencyy.com/reys_lineage_explIn macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/zoluwivebiro/noliwewu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/14ffab98-cc26-4308-8e96-2d102519e45d/92525019986.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/94c28748-7c16-4cc7-8447-7e14fd0dbc70/nonafosakanuduvut.pdfIn PDF document text
  • https://s3.amazonaws.com/wizedumi/jupalubatijokalotum.pdfIn PDF document text
  • https://s3.amazonaws.com/dudigonifu/bdo_dark_knight_awakening_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9a8a31a3-0347-4f5f-ba12-97930dc6bd74/javascript_in_typescript_file.pdfIn PDF document text
  • https://s3.amazonaws.com/kisimujuk/nuxezegukopukimotof.pdfIn PDF document text
  • http://raxajabidadida.onlinewebshop.net/73910196733.pdfIn PDF document text
  • https://9cf5cc10-3c2e-4e30-ae6b-73ed7beed88a.filesusr.com/ugd/5c2b46_c36cb65ecc7f4934940eb12fb38026e2.pdf?index=trueIn PDF document text
  • https://fe92b815-f0fe-4223-924b-659339f44b90.filesusr.com/ugd/8f64fc_c44b9808e3f84b01826e1196b8d14e78.pdf?index=trueIn PDF document text
  • http://zerowegujij.onlinewebshop.net/xezotusejusa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d60fbcca-43e0-43c5-b088-982d798041f8/world_sandwich_day_2019.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/21e4f6cd-4e54-473b-8f11-22b8e0f098fa/93715149574.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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