Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://golowaki.ru/strik?utm_term=what+does+555+mean+in+hebrew PDF link annotation

  • http://sapiwis.iblogger.org/amc_875_125_used_for.pdfIn PDF document text
  • http://pasipodo.mypressonline.com/40498848552.pdfIn PDF document text
  • http://d2-club.ru/838024570097naj7.pdfIn PDF document text
  • http://realwockyc.info/how_to_get_good_heroes_in_marvel_contest_of_champions8t6d1.pdfIn PDF document text
  • http://leketeko.22web.org/fupufu.pdfIn PDF document text
  • http://faripofijukevom.mywebcommunity.org/how_to_use_devacurl_light_defining_gel.pdfIn PDF document text
  • http://marketes.pro/asp.net_interview_questions_and_answers_for_5_years_experience9o9hd.pdfIn PDF document text
  • http://tublitalia.space/java_jdk_win_7_32_bitxxhhy.pdfIn PDF document text
  • http://alisaborodaenko.design/50209701040pvly6.pdfIn PDF document text
  • http://nigemutekilum.mypressonline.com/12112284583.pdfIn PDF document text
  • http://4gusevshop.space/degabupixizuvimupitublexx0.pdfIn PDF document text
  • https://c6926203-1eb9-401e-9afa-In macro / runtime command snippet
  • 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://238a82c5-85a8-4641-a991-2f0f5270ddc4.filesusr.com/ugd/63f22d_6ad05630d3a74fc4906c76fe2b04c908.pdf?index=trueIn PDF document text
  • https://b615eccc-4413-4b1d-8109-ede925130a83.filesusr.com/ugd/0994f9_06ee30cb5163439c86b46a53be0bd898.pdf?index=trueIn PDF document text
  • http://ligujizulogi.atwebpages.com/vadivene.pdfIn PDF document text
  • https://e49cd12a-7e53-4a25-9f98-ae37b5ff2e44.filesusr.com/ugd/35dc59_e3a7e234350f42fc8b1ba39d1c351045.pdf?index=trueIn PDF document text
  • http://nuxizutize.rf.gd/bidadari_tak_bersayap_free.pdfIn PDF document text
  • https://1de4b56a-3309-4767-83a2-f1bb1ea7c594.filesusr.com/ugd/a6e5e9_5d74be6952fd45ec86bc76e0bf693a43.pdf?index=trueIn PDF document text
  • https://c6926203-1eb9-401e-9afa-11f61f201807.filesusr.com/ugd/685707_a8cfad338c1d4c68a6790d3b5f24556f.pdf?index=trueIn PDF document text
  • https://24218389-b518-4ca3-8548-65eaf758daa4.filesusr.com/ugd/c836c3_d1fdd83a879d4bb585f15b704cdfca1d.pdf?index=trueIn PDF document text
  • http://sekovukubetib.epizy.com/tnt_post_tracking_number_format.pdfIn PDF document text
  • https://e60c805d-b9e1-47fc-b045-983511e9ac1f.filesusr.com/ugd/116bb2_5f267e80b4364c6c85252d06e99f6962.pdf?index=trueIn PDF document text
  • https://3176e400-c268-4dc0-8d69-08eae86937f8.filesusr.com/ugd/ea2f88_da6fb265452440538d0bb19747849935.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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