Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2b7b70759290eea…

MALICIOUS

PDF

78.5 KB Created: 2021-02-28 17:12:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 2e9c0096239cf85bdfa4ddc4eeb5521c SHA-1: 541adf22d7e705a68eb48ca56c533802bbc36818 SHA-256: e2b7b70759290eea2bd382a546eda78970f0775681263311fcd4a795686caacc
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://bologen.ru/award?keyword=research+questions+about+covid+19+pandemic PDF link annotation
    • http://tulavesew.getenjoyment.net/who_rules_america_domhoff.pdfIn PDF document text
    • https://cdn.sqhk.co/mowefakura/Bggpeia/zombie_strike_codes_mejoress.pdfIn PDF document text
    • http://jobs-ingenieur.best/25488950064vlkbt.pdfIn PDF document text
    • https://cdn.sqhk.co/loxosefivipo/igcXhgK/coloring_book_superhero_heroes_game.pdfIn PDF document text
    • http://hiziryigit.online/73479918676e4yg8.pdfIn PDF document text
    • https://cdn.sqhk.co/fepogosu/aiaCuha/74804192203.pdfIn PDF document text
    • https://cdn.sqhk.co/giganopof/ggxgfid/12050742320.pdfIn PDF document text
    • https://cdn.sqhk.co/xusopusavo/4XihjbN/bl_webcomics_recommendations.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://nareboveridur.epizy.com/88363029450.pdfIn PDF document text
    • http://dutagewenurodub.epizy.com/xakesenu.pdfIn PDF document text
    • http://mafodif.epizy.com/zagidudinipovigebaz.pdfIn PDF document text
    • http://rujidafedisezu.atwebpages.com/ruxelasotukejojame.pdfIn PDF document text
    • http://vawerudarasikow.myartsonline.com/what_is_the_value_of_2007_toyota_corolla.pdfIn PDF document text
    • https://s3.amazonaws.com/jedadokuti/bodyguards_and_assassins_movie_480p.pdfIn PDF document text
    • https://s3.amazonaws.com/tirimofufemukat/ketimomopikafogonasibede.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_off0000f646.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF646 5820 bytes
SHA-256: b887554ce4617c7cab4a71ef623d566ac30da2c61ef409ba36d0762b190e09f6
font_01_sfnt_off000109f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x109F2 10296 bytes
SHA-256: 5c48a93f94ffc32745d5841762009e5b441b6209547a1373ae5f0d3b7978bf97