Malicious PDF — malware analysis report

Static analysis result for SHA-256 696dcba00e051c43…

MALICIOUS

PDF

66.9 KB Created: 2021-02-22 13:49:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 93f2f76edff0c6af41ffaa7975d8dc83 SHA-1: 28d0e694e8f4d4d0847fcb734d8f0d8c5b6761fd SHA-256: 696dcba00e051c43c557e644930bbf1468ebb1b9af0376b36639cecca149db51
96 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'seumenha.ru', which is likely used to host a phishing page or download a secondary payload. The document body, though heavily obfuscated, suggests a lure related to headset connectivity, which is a common tactic for social engineering.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://seumenha.ru/strik?utm_term=how+to+connect+ps+gold+headset
    • https://cdn.sqhk.co/zotofoza/hchciKR/lego_hidden_side_paranormal_bus_3000.pdf
    • https://cdn-cms.f-static.net/uploads/4374715/normal_600b6b434e8be.pdf
    • http://pomirkapa.site/zurizobafjlwb.pdf
    • https://cdn.sqhk.co/luzigagoguna/gi8ie4R/retro_style_for_male.pdf
    • http://remont-kholodilnikov.website/we_were_liars_bookla7nu.pdf
    • http://uuuuull.space/digi_002_rack_drivers_windows_82e9dd.pdf
    • http://firstsecu-paypal.com/705047702277yp8k.pdf
    • https://cdn-cms.f-static.net/uploads/4378378/normal_6025a826f091a.pdf
    • http://wegoduxevuda.iblogger.org/partnership_accounting_ppt.pdf
    • http://dhl-order.info/17367153960o4m8h.pdf
    • http://natur-green.fun/spur_gear_design_procedure2h4no.pdf
    • http://eslivdrug.space/dfo_shadow_dancer_guide5j0tq.pdf
    • https://mogopefisumiba.weebly.com/uploads/1/3/5/2/135295831/nenexomubul-bumenemujajoga-puvibibojevoter.pdf
    • http://deutschebank-meine.com/lunokevarudekutumunel4lu0n.pdf
    • https://labegemi.weebly.com/uploads/1/3/4/7/134709462/639010.pdf
    • http://lavkavkusa.store/kujotulikumowusejwj1jn.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://xaduneraxoden.rf.gd/futurama_meme_template.pdf
    • http://tojikesopi.rf.gd/vaastav_songs_320kbps.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_off0000c9db.bin
4c34e2c78226c94f9f58cecb6d2d76c32f93b98820e40208a257e1db97d3f72d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC9DB 5292 bytes
font_01_sfnt_off0000dbea.bin
da7578fee19d15806c00af849d01e690d3881a648de4f36a88c8b9e0f1b98c1b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDBEA 10104 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.