Malicious PDF — malware analysis report

Static analysis result for SHA-256 47ac24b015820ed3…

MALICIOUS

PDF

69.3 KB Created: 2021-02-25 05:44:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 672e630f4c233caf25365c6d30df38df SHA-1: 641db18d9688470f3dd0ba61be2031b7a39d3e6d SHA-256: 47ac24b015820ed3c8cc564d963cb9395deb4d261b7969afde8aa700b880046a
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • 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 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://leonvi.ru/award?keyword=where+can+i+buy+replacement+stove+knobs PDF link annotation
    • https://cdn.sqhk.co/zudilubal/JV2oiiy/bipujudop.pdfIn PDF document text
    • http://doburepos.iblogger.org/zoguxamer.pdfIn PDF document text
    • https://palukenibimel.weebly.com/uploads/1/3/4/4/134401756/bopawunimelitiso.pdfIn PDF document text
    • https://lejawoxaniw.weebly.com/uploads/1/3/0/7/130738778/9717353.pdfIn PDF document text
    • http://afracheat4.xyz/jezutofajuranabejka5nx.pdfIn PDF document text
    • http://lnstagramsecurity.net/94853130656ty8a.pdfIn PDF document text
    • https://cdn.sqhk.co/vimexuda/Ujhiifs/xulevijo.pdfIn PDF document text
    • http://best-store.club/hearthstone_deck_tracker_twitch_pluginquoqb.pdfIn PDF document text
    • https://vedixoba.weebly.com/uploads/1/3/4/8/134864822/1138795.pdfIn PDF document text
    • http://reabook.online/kupaxetetadekivekibexuvmo78.pdfIn PDF document text
    • https://jajaleregonu.weebly.com/uploads/1/3/4/2/134235513/bagazogixumu_kinibeju_gaferenudawamon_wumejux.pdfIn PDF document text
    • https://cdn.sqhk.co/verikiweneza/hhhKig9/8_10_12_block_puzzle_solution.pdfIn PDF document text
    • https://cdn.sqhk.co/tavaxikanabu/yqijfmU/kagimov.pdfIn PDF document text
    • http://momarivido.mypressonline.com/2626248458.pdfIn PDF document text
    • http://ejinaya.com/88328772108qjdbj.pdfIn PDF document text
    • http://mosquito.codes/segenoperojuxqn0eb.pdfIn PDF document text
    • http://covid-19online.site/flygt_pump_guide_rail_bracketsxhiuy.pdfIn PDF document text
    • https://cdn.sqhk.co/ruzivogawa/gghhhbQ/gujowojikixunusedu.pdfIn PDF document text
    • http://jofufunobek.sportsontheweb.net/balancing_chemical_equations_practice_problems_with_answers.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://lugukejuraxa.rf.gd/28356937569.pdfIn PDF document text
    • http://kagabefusexem.epizy.com/bekejasarokobikewup.pdfIn PDF document text
    • http://durozebexonadop.rf.gd/vuvuburelagof.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d270.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD270 5552 bytes
SHA-256: 5433d6f461d8d458bad360fc517d6ac4030d8b96c610c5ac5f51337b899cc3f5
font_01_sfnt_off0000e53b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE53B 10032 bytes
SHA-256: 515cde9c1781f26891440ee41f242358eda0d93e02dbe823f8ed5a89abdd9e60

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