Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee96932654fe8200…

MALICIOUS

PDF

74.6 KB Created: 2021-03-05 13:16:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 04ef3b767ab1cca11f650a102b444b29 SHA-1: 890f07e9aeb2bd87144c40aabdf1a066e266974f SHA-256: ee96932654fe82009c971d7eb71e6b7c2131c5745607feb87200ecd4b27a1d05
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is identified as malicious by ML classifiers and ClamAV, with a high risk score. It contains an embedded URI pointing to a suspicious domain, which is a common tactic for phishing or malware delivery. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of external URLs strongly suggests an attempt to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://pelibifir.ru/wix?keyword=you+are+the+only+special+one+novelcat+pdf
    • https://cdn-cms.f-static.net/uploads/4414695/normal_5fe66a16eb703.pdf
    • https://static.s123-cdn-static.com/uploads/4478923/normal_5fef0f17a9f68.pdf
    • http://taygerr.com/silvercloud_gps_tracker00l70.pdf
    • http://dihtyar.online/mens_over_40_workout_planez2xv.pdf
    • https://cdn-cms.f-static.net/uploads/4467286/normal_603d2e8a3889a.pdf
    • https://cdn.sqhk.co/tekuligote/hiYgcjf/jetikapokopakiletilokeg.pdf
    • https://static.s123-cdn-static.com/uploads/4383137/normal_5fe0be8de107c.pdf
    • https://static.s123-cdn-static.com/uploads/4409096/normal_6006ae825548b.pdf
    • http://familyit.pro/arcade_bartop_cabinet_plansz575p.pdf
    • https://cdn.sqhk.co/novimabe/eTgfPgY/slither._io_codes_2020.pdf
    • http://ubzvp.com/jeffty_is_five58x47.pdf
    • https://static.s123-cdn-static.com/uploads/4385412/normal_5feb724ba8bd8.pdf
    • https://cdn-cms.f-static.net/uploads/4378383/normal_603aa6c8602fe.pdf
    • https://cdn-cms.f-static.net/uploads/4490524/normal_5fd99ae396932.pdf
    • http://mmmuuuue.space/gomajozunuterexesokisp2zmk.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/sepovutapakogaf/90876590993.pdf
    • https://s3.amazonaws.com/tojabixefova/xijam.pdf
    • https://s3.amazonaws.com/zuses/jiwawonom.pdf
    • https://s3.amazonaws.com/megelugik/king_platform_bed_low_headboard.pdf
    • https://s3.amazonaws.com/lunojol/84530045420.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e55b.bin
fa789b5999d73a2c421e8cf3f951b72bf9bd8232e4b9edcb257816ad2180c058
pdf-font-stream PDF embedded font (sfnt) at offset 0xE55B 5364 bytes
font_01_sfnt_off0000f7a2.bin
6fb8a0e261db41c8ff59f39170285948a598ca0eefc981dfe5a879e40eea699d
pdf-font-stream PDF embedded font (sfnt) at offset 0xF7A2 10780 bytes