Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6032165cbbedb61…

MALICIOUS

PDF

73.0 KB Created: 2021-03-09 01:42:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 731b05bb78896e21b413ad45d2712e51 SHA-1: 070f6ea9bfc83b03c1dc41c7562aedd0cba17520 SHA-256: a6032165cbbedb61312f82b1c2acd004408d3087cff9fd2033f5b8a75c496a2a
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

Heuristics 5

  • 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 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://lozipotod.ru/award?keyword=anualidades+variables+pdf PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4461746/normal_5ff54ff286bd9.pdfIn PDF document text
    • https://regamozinog.weebly.com/uploads/1/3/0/9/130969170/babomuja_fewedulowu_mafodinaz_keneji.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4469126/normal_5fe11be73e5ea.pdfIn PDF document text
    • http://nanebaxexob.getenjoyment.net/13608176972.pdfIn PDF document text
    • https://zaximasuxudaris.weebly.com/uploads/1/3/4/5/134590642/5389051.pdfIn PDF document text
    • https://petirinupupa.weebly.com/uploads/1/3/1/4/131438611/6ad8a9245d60e1d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450506/normal_5fc77314bef7c.pdfIn PDF document text
    • http://domensita.fun/adhd_treatment_guidelines_adultsbrz42.pdfIn PDF document text
    • http://rafale.store/desarrollo_humano_papalia_feldman_pdv4087.pdfIn PDF document text
    • http://itfamily.info/zaxipafurofikavokera0z9c.pdfIn PDF document text
    • http://ranking-se.com/xadavodpecj4.pdfIn PDF document text
    • https://gekimirit.weebly.com/uploads/1/3/4/7/134700474/9232251.pdfIn PDF document text
    • http://help-violation.com/game_of_war_fire_age_download_for_android5kink.pdfIn PDF document text
    • http://housefashion.ru/how_riddex_plus_worksogxzw.pdfIn PDF document text
    • http://takipibimaxubov.sportsontheweb.net/48636504250.pdfIn PDF document text
    • http://dwatches.site/vituxakag2lvrx.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4475397/normal_603e5e3c96bda.pdfIn PDF document text
    • http://hq-cleartv.info/best_free_crossword_puzzle_app_for_iosm2sgo.pdfIn PDF document text
    • http://jakesubinosol.scienceontheweb.net/how_to_describe_climate_weather_events.pdfIn PDF document text
    • http://zoomita.space/84334321001tju62.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4445558/normal_603757a2f1963.pdfIn PDF document text
    • http://startbastar.online/a_suitable_boy_season_1_episode_1_watch_onlineakr6b.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://masemipeba.myartsonline.com/zezebedupekirovefiwoxafur.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_off0000e16c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE16C 5224 bytes
SHA-256: 83789a60f37186b79dac2d33430ae37c066bac15f2fc6425b4c4991a80320da6
font_01_sfnt_off0000f341.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF341 10628 bytes
SHA-256: 7465181cb4189076a3dc73b31c078df08fbf73a5fac8a11fba2b0d7ee2234187

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