Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://jumiwimov.ru/wix?keyword=sans+megalovania+mp3+download PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4475866/normal_60171e95707c9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4471985/normal_5fe77c7a9aad1.pdfIn PDF document text
  • https://ramexolilaburav.weebly.com/uploads/1/3/4/3/134331107/202781.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371498/normal_5fe6fe7520c11.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4462986/normal_6001937647937.pdfIn PDF document text
  • https://cdn.sqhk.co/nozelenid/SL1yjef/cruise_lines_out_of_galveston.pdfIn PDF document text
  • https://dunelakanova.weebly.com/uploads/1/3/1/4/131410870/zibilaloliminujiz.pdfIn PDF document text
  • https://kutabafimuv.weebly.com/uploads/1/3/1/3/131379381/falebavevoz-zudativokatol-xezuvef.pdfIn PDF document text
  • https://cdn.sqhk.co/dukasavubu/Ahghijb/78121061858.pdfIn PDF document text
  • https://lemefiware.weebly.com/uploads/1/3/4/0/134017231/gutavukurolideju.pdfIn PDF document text
  • https://cdn.sqhk.co/botonerepap/cMDgjjf/15842216080.pdfIn PDF document text
  • https://cdn.sqhk.co/pefevepufi/jheaemc/zombie_royal._io_crazy_games.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4420454/normal_60024406e517c.pdfIn PDF document text
  • https://cdn.sqhk.co/pefevepufi/jheaeIn macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://24a70dd4-b549-4b9e-9c0a-6eea45ab85ad.filesusr.com/ugd/ab0c63_fb6c682cef3e48e7b83cb65bc457946c.pdf?index=trueIn PDF document text
  • https://f38be386-5799-403b-9303-fb121113655a.filesusr.com/ugd/6f1aa7_3a2a290cd74a4798bef3a9cbb04a51e5.pdf?index=trueIn PDF document text
  • https://69a7f268-727d-4112-ba4f-a3538cc856be.filesusr.com/ugd/9a0d60_38836b5b7f0c410c8e650bba5d84a6f4.pdf?index=trueIn PDF document text
  • https://ec8c99fd-5413-4e38-b6a0-2ccbba71fc6f.filesusr.com/ugd/de02f3_ba1de6f73629455a819c87f9b8c33331.pdf?index=trueIn PDF document text
  • https://56148a0a-83a3-4003-94ff-78d3044b7c00.filesusr.com/ugd/6f5f23_9bae47b7f52940a89b641a36faace057.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/sepovutapakogaf/48494028831.pdfIn PDF document text
  • https://e1d5fa5a-667c-4d22-bb72-2ec96b4ed0f7.filesusr.com/ugd/01f30d_f6db6fd5fa5848ca962cdd57812c3557.pdf?index=trueIn macro / runtime command snippet
  • https://s3.amazonaws.com/zugutixe/css_animate_transform_width.pdfIn PDF document text
  • https://s3.amazonaws.com/gotitibekovi/wedujol.pdfIn PDF document text
  • https://cc4f1b1a-08c7-467e-bb5a-e3073ad8caf1.filesusr.com/ugd/ffc175_8a39a1ff02b642359e348a6c58385f5d.pdf?index=trueIn 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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