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.
• Security software disable instruction high SE_SECURITY_BYPASS
  Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
• 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
• 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://dafemum.ru/strik?utm_term=epson+l220+ink+pad+reset+software+free+download PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4427091/normal_605ab2907313c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370768/normal_601f4382becf6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4495551/normal_60558f5f109c4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371536/normal_60532a65b345a.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4376382/normal_60086ce74ac34.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4483870/normal_5fe2c154f3186.pdfIn PDF document text
  • https://lakofanagobogan.weebly.com/uploads/1/3/5/3/135386994/2000225.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380393/normal_60381c84addb8.pdfIn PDF document text
  • https://ludutaxe.weebly.com/uploads/1/3/0/8/130814402/66d3d2b61f4ee.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4491705/normal_6067f2da1ce79.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4472206/normal_6024158a55fcd.pdfIn PDF document text
  • https://bokakarepexopo.weebly.com/uploads/1/3/4/7/134750167/lulenomuleniji.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4460066/normal_601bd4c947e70.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4481515/normal_5fe23bfc7b4fa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4453118/normal_60287351ec358.pdfIn PDF document text
  • https://vemulasi.weebly.com/uploads/1/3/4/5/134509822/wakagurebegewe.pdfIn PDF document text
  • https://sakotitalivuvu.weebly.com/uploads/1/3/4/8/134887700/15dd00ff30d226.pdfIn PDF document text
  • https://risegexof.weebly.com/uploads/1/3/4/6/134661868/7341511.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4447885/normal_5fecc6be28131.pdfIn PDF document text
  • https://vegupixusenez.weebly.com/uploads/1/3/4/3/134318628/4322d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4497093/normal_5fda401a52965.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://s3.amazonaws.com/nitizobuv/video_trimmer_for_windows_10_free.pdfIn PDF document text
  • https://s3.amazonaws.com/bupaxomu/what_is_the_conflict_in_freak_the_mighty.pdfIn PDF document text
  • https://s3.amazonaws.com/kobivimelelo/luzarixopi.pdfIn PDF document text
  • https://s3.amazonaws.com/zebarufuridorur/cisco_ie-_3300-_8p2s-_e_datasheet.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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