Malicious PDF / .VIR — 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
• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• Cloud document impersonation lure medium SE_CLOUD_DOC_LURE
  Document impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
• 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://cctraff.ru/123?utm_term=remove+password+from+word+document+without+password In PDF document text

  • https://cdn.sqhk.co/rinilafexowi/SZhejgf/open_puzzle_box_game_mod_apk.pdfIn PDF document text
  • https://ronupajowosoza.weebly.com/uploads/1/3/4/8/134871490/vetizewu-tewubu-gedefinizoje-gawotopopab.pdfIn PDF document text
  • https://pidivupam.weebly.com/uploads/1/3/4/3/134327465/mojibuna.pdfIn PDF document text
  • https://s3.amazonaws.com/xeponodij/what_is_neoliberalism.pdfIn PDF document text
  • https://cdn.sqhk.co/naxopesareg/h4dhchf/backflip_challenge_game.pdfIn PDF document text
  • https://cdn.sqhk.co/vekasurox/xwiaqgc/cheat_sheet_meaning_in_english.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4406775/normal_5fe777d90ea59.pdfIn PDF document text
  • https://wipikiriku.weebly.com/uploads/1/3/4/6/134696444/woderejenebesov.pdfIn PDF document text
  • https://cdn.sqhk.co/ditetona/2hhihha/jio_recharge_free_online_2020.pdfIn PDF document text
  • https://jufavufopu.weebly.com/uploads/1/3/4/3/134340263/49ef1cdf9d453.pdfIn PDF document text
  • https://s3.amazonaws.com/tugumeb/nitrogen_and_their_compounds.pdfIn PDF document text
  • https://cdn.sqhk.co/mepawoworu/EwUjjcM/29467640818.pdfIn PDF document text
  • https://cdn.sqhk.co/xojafimib/ImjhhbJ/revawuxelutumegopuk.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000cf65.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000cf65.bin)
  • https://uploads.strikinglycdn.com/files/ce8d5a51-de63-4109-8d4a-647f4767466d/9._sC4B1nC4B1f_fizik_dayanC4B1klC4B1lC4B1k_sorularC4B1_ve_C3A7C3B6zC3BCmleri.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3856960b-f737-4da9-b68e-b796da559f4a/comparative_and_superlative_degrees_of_adjectives_worksheets.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_off0000cf65.bin)

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