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
• 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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://tupopase.weebly.com/uploads/1/3/4/4/134471292/9774073.pdf.
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://traffmen.ru/aws?utm_term=whatsapp++for+android+2.+3-+6+mobile9 In PDF document text

  • https://cdn.sqhk.co/waxigapo/jchjmgf/video_player_for_windows.pdfIn PDF document text
  • https://cdn.sqhk.co/vaminika/c4kjdrC/fast_and_furious_spy_racers_rio_characters.pdfIn PDF document text
  • https://cdn.sqhk.co/wadusazilox/yCihgXs/sonic_cd_free_download_full_version_pc.pdfIn PDF document text
  • https://cdn.sqhk.co/wirumedaba/gg3haie/save_earth_easy_drawing.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4491670/normal_5fd3116c0d439.pdfIn PDF document text
  • https://site-1178448.mozfiles.com/files/1178448/nhl_schedule_flyers.pdfIn PDF document text
  • https://tupopase.weebly.com/uploads/1/3/4/4/134471292/9774073.pdfIn PDF document text
  • https://viduxetejogat.weebly.com/uploads/1/3/4/6/134600114/voxowegazatu-sukeserovaxuro-javenupefif-fanasamib.pdfIn PDF document text
  • https://fawezodotemo.weebly.com/uploads/1/3/4/8/134871545/noxinesanusuduz.pdfIn PDF document text
  • https://site-1168192.mozfiles.com/files/1168192/arijit_singh_new_song_2019_download_bestwap.pdfIn PDF document text
  • https://gusumadanu.weebly.com/uploads/1/3/2/6/132695601/tubabubexevuwefobate.pdfIn PDF document text
  • https://cdn.sqhk.co/karapazepot/bhfgjl9/goxumamuvopasaxe.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4449192/normal_5ffe26ed04de0.pdfIn PDF document text
  • https://site-1176413.mozfiles.com/files/1176413/nekorot.pdfIn PDF document text
  • https://site-1171989.mozfiles.com/files/1171989/bomber_crew_game_tips.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/moduxanakuri/39581299151.pdfIn PDF document text
  • https://s3.amazonaws.com/nuruvapozixix/4434538752.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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