Malicious PDF — malware analysis report

Static analysis result for SHA-256 79752e473406a391…

MALICIOUS

PDF

80.2 KB Created: 2021-02-17 17:19:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 2db1f052fc5f9f6027c813c249760e88 SHA-1: 0b475989ee55b5ea4faa838cef53d48e90110282 SHA-256: 79752e473406a391f196c9f9800aa04d952caa34d791f62d0028974201b35722
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://maypoin.ru/wb?keyword=breville%20soft%20serve%20ice%20cream%20maker%20recipes PDF link annotation
    • http://flash-sar.online/61366670383otky0.pdfIn PDF document text
    • http://blog-millionaire.buzz/certiport_exam_service1t2pc.pdfIn PDF document text
    • http://fruitslope.online/jacques_vert_dress_size_guide754ya.pdfIn PDF document text
    • https://cdn.sqhk.co/xogovofofi/Wesvsii/nujebenuvawud.pdfIn PDF document text
    • http://qrastenmap.online/20904530729nqd86.pdfIn PDF document text
    • http://slmit.space/fibadararisukisi3oors.pdfIn PDF document text
    • https://cdn.sqhk.co/fawabanof/TPZuRYW/attack_on_titan_eren_death_fanfiction.pdfIn PDF document text
    • http://praktika-ingenieur.com/accounting_information_systems_and_internal_control_2nd_editionaxm04.pdfIn PDF document text
    • https://cdn.sqhk.co/labifikup/ijgjhii/nikafujewugug.pdfIn PDF document text
    • http://yozi.store/33116622942o9ob.pdfIn PDF document text
    • https://cdn.sqhk.co/jilebodetifa/1geq9ic/big_rig_travels.pdfIn PDF document text
    • https://cdn.sqhk.co/lugizumevemu/gghieNW/mechwarrior_game_xbox_one.pdfIn PDF document text
    • https://cdn.sqhk.co/wifinalimow/jfa8jdu/anime_wolf_wallpaper_android.pdfIn PDF document text
    • http://instapriz24.site/gangs_of_london_episodes_imdb1ftzv.pdfIn PDF document text
    • http://masito.space/september_2018_calendar_printable_template3643d.pdfIn PDF document text
    • http://oneshops.space/vekikifos2m59.pdfIn PDF document text
    • https://cdn.sqhk.co/ratosakip/hvTaKYm/rilena.pdfIn PDF document text
    • https://cdn.sqhk.co/rifusofuwedi/gdfgdEB/battle_of_rome_war_simulator_hack.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000fdb7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFDB7 5336 bytes
SHA-256: 3fcc7db4db0aa46a8121152a2b08b14d178f72660c4e8d344f1790541977a0f8
font_01_sfnt_off00010fd2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10FD2 10476 bytes
SHA-256: 821e8af48767a1733d6770b0651531065a4166572b6e913cc22d7afaed6a8e01