Malicious PDF / .VIR — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://trafffi.ru/123?utm_term=how+to+find+slant+asymptotes+using+limits In PDF document text

  • https://zofenegug.weebly.com/uploads/1/3/1/6/131636866/vilapexo.pdfIn PDF document text
  • https://sabiwivilo.weebly.com/uploads/1/3/4/3/134316676/220a8c.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4452837/normal_5fde11c3e5d4f.pdfIn PDF document text
  • https://murikupa.weebly.com/uploads/1/3/4/4/134481598/sakevidofesalog.pdfIn PDF document text
  • https://jarofuzaduse.weebly.com/uploads/1/3/4/5/134502270/589092.pdfIn PDF document text
  • https://tujurexi.weebly.com/uploads/1/3/4/7/134743655/figefup-kikeborojoreze-mesum.pdfIn PDF document text
  • https://rogidalot.weebly.com/uploads/1/3/1/6/131636841/gitonavamiwir.pdfIn PDF document text
  • https://puzujesojanigo.weebly.com/uploads/1/3/4/5/134504435/e4f37d05eb6.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000135dd.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000135dd.bin)
  • https://uploads.strikinglycdn.com/files/84a8d616-6e87-4a25-91bc-92d5958a7268/wezuk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/88b3130b-bf7d-47b4-bddf-a37da442a5ff/muperevonalugigasori.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2791820c-fa96-4681-8043-935a4b90daa7/gw2_mastery_guide_tyria.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ef07517d-4e27-47dd-af52-39c84454c34d/54353925671.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6a471fc6-a380-4abe-b74d-add056adaee3/59547030756.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2b3ab17f-c3ff-4ded-a28b-4b0d80ff80b2/75672268613.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b740f74d-9bf3-4a8d-8d06-a0a01f65bc1d/pasojur.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/71707600-09f2-42de-94cf-7524bc99f0d7/parasite_eve_1_iso_espaol.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 extracted file (font_00_sfnt_off000135dd.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off000171b9.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off000171b9.bin)

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