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://soxebez.ru/strik?utm_term=the+greedy+triangle+pdf PDF link annotation

  • http://atomyimperial.ru/metal_gear_rising_android_apk66j47.pdfIn PDF document text
  • http://wikowezenitezo.medianewsonline.com/how_do_you_pair_a_motorola_bluetooth_headset.pdfIn PDF document text
  • https://ragaxunuwad.weebly.com/uploads/1/3/1/4/131407405/b318bb.pdfIn PDF document text
  • http://kijekidajefi.getenjoyment.net/35408751553.pdfIn PDF document text
  • http://onlinekartiadesi.com/wejupovebafukane4vm1i.pdfIn PDF document text
  • http://libertinemodels.com/gujoworufawuzixaberemxint8.pdfIn PDF document text
  • http://deromgroup.com/what_is_white_sauce_on_mod_pizzavvkm8.pdfIn PDF document text
  • http://iglivesupportteam.com/what_are_the_positive_thinkingl4dxs.pdfIn PDF document text
  • http://milesnires.xyz/tenowotelebasb70pq.pdfIn PDF document text
  • https://dapalaboz.weebly.com/uploads/1/3/0/8/130874192/11cdfa4.pdfIn PDF document text
  • http://xufamorazogubov.sportsontheweb.net/lithium_chloride_msds.pdfIn PDF document text
  • https://buvupoxiku.weebly.com/uploads/1/3/4/3/134329971/6544087.pdfIn PDF document text
  • http://idealica-italiaofficial.site/windows_powershell_ise_download_windows_8.1gzwkq.pdfIn PDF document text
  • http://kapusta.pro/lokalibodivodufonosoxzdecb.pdfIn PDF document text
  • http://helpverifybadges.com/470434757917ayhw.pdfIn macro / runtime command snippet
  • https://gomejewenikugi.weebly.com/uploads/1/3/4/8/134869664/ab468b173.pdfIn PDF document text
  • http://kapustaIn macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://aabf49e0-5477-4fd2-8456-a986ef8f2a87.filesusr.com/ugd/9e14ca_1078e9d25c7a41fa9ffc02215159d72c.pdf?index=trueIn PDF document text
  • https://3c199e1c-ff83-4553-a351-db1e9419129c.filesusr.com/ugd/424a74_7e41787372e74c59b6163008de5f05f3.pdf?index=trueIn PDF document text
  • https://a1d3e036-d9a1-4be1-9d2f-eedbb581cb22.filesusr.com/ugd/3ce946_6f96ff341c9a4455b5d4085ae1a774ab.pdf?index=trueIn PDF document text
  • https://45f91bdd-2b68-4e60-ae2c-b14373ae5332.filesusr.com/ugd/0d089b_09ca1d3850b0403cb603d463b92c42c5.pdf?index=trueIn PDF document text
  • https://3e206333-d6ff-4be5-a246-6289f7259d3b.filesusr.com/ugd/973a7d_b2b4bf60cbfa495399ed74987721ca53.pdf?index=trueIn PDF document text
  • https://cc46d2ba-e7cf-42f8-aa62-b015a0c17ef0.filesusr.com/ugd/d180c3_f1032e6e82e0406194b963ba5605f0da.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

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