Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e46df4cbf0c8394…

MALICIOUS

PDF

69.0 KB Created: 2021-02-22 22:02:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 7c3975f365238b1cef9a40aac6fa3e94 SHA-1: fe9edb7ab9a7c6bd8a784b5d1f573e0eb2cfad63 SHA-256: 9e46df4cbf0c839457b0cb1a9bd7620d512797e576225e478665830516f3f7d5
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 6

  • 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.
  • 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://jacksth.ru/wix?keyword=vivitar+dvr786hd+webcam PDF link annotation
    • http://dekagexagupeje.iblogger.org/film_habibie_ainun_2016_lk21.pdfIn PDF document text
    • https://cdn.sqhk.co/lasanamemego/P1jh3hc/rivuwem.pdfIn PDF document text
    • https://cdn.sqhk.co/sedazozesufu/jespxjc/fibukegolanawugexubofuk.pdfIn PDF document text
    • https://vuwuzujos.weebly.com/uploads/1/3/2/7/132712237/zodizosokefe.pdfIn PDF document text
    • https://fekudumubaf.weebly.com/uploads/1/3/2/6/132681201/dagomejupagasam.pdfIn PDF document text
    • https://cdn.sqhk.co/goxobuve/dgfSdhg/name_creator_pubg_pro_apk.pdfIn PDF document text
    • https://liwevapazu.weebly.com/uploads/1/3/1/0/131071299/ziwakapilamekux.pdfIn PDF document text
    • https://cdn.sqhk.co/ragejeli/jgjgQZG/headhunters_io_mod_apk_unlimited_money.pdfIn PDF document text
    • http://nerroba.info/acrobat_pro_dc_adobe_helpxh8yu9.pdfIn PDF document text
    • https://kumemuwopix.weebly.com/uploads/1/3/4/7/134709330/719b9.pdfIn PDF document text
    • https://cdn.sqhk.co/febenapox/GjihhfI/cup_stacking_abcya.pdfIn PDF document text
    • http://gesabagipo.22web.org/baghban_film_songs_ming.pdfIn PDF document text
    • https://cdn.sqhk.co/bisidilit/gcU8rUC/this_is_the_police_double_homicide_solution.pdfIn PDF document text
    • https://wisamifogafize.weebly.com/uploads/1/3/4/5/134598642/ramezexe-regusag-nujuxiro.pdfIn PDF document text
    • https://cdn.sqhk.co/vekuperik/ujhojfW/vasejerejojatujavetabate.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/fuvidokibet/call_of_duty_warzone_update_xbox_one.pdfIn PDF document text
    • https://s3.amazonaws.com/rejiner/maxas.pdfIn PDF document text
    • http://jariluwalube.epizy.com/65609417927.pdfIn PDF document text
    • http://dafunidubavilo.rf.gd/cara_membobol_wifi_tanpa_root_hp_android.pdfIn PDF document text
    • http://guxonijelosaku.epizy.com/kigetewurududafejisowozu.pdfIn PDF document text
    • https://s3.amazonaws.com/gozilum/mobogenie_apk_free_games_for_android.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_off0000cda4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCDA4 5656 bytes
SHA-256: 192a6575d413c22fa9b06c2e06830511143f58baf2042d50a24dd543e322fc7e
font_01_sfnt_off0000e0d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0D9 12296 bytes
SHA-256: bccd8471f001ec02e6a258d53e19fc2a909f7d4754bb7752924396e3e74335b0

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