Malicious PDF — malware analysis report

Static analysis result for SHA-256 413098b9ad304062…

MALICIOUS

PDF

81.1 KB Created: 2020-12-29 14:40:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 15e28f4d67cdf9e8a60e506e002897a0 SHA-1: 1d7904887a25867d63be6284933322f11b5c861c SHA-256: 413098b9ad304062103c503397b1cf4b18a37cafb01331535e0806f2f64889cc
96 Risk Score

Malware Insights

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

The file is a PDF document identified as malicious by ClamAV and an ML classifier. It contains an embedded URL pointing to 'traffking.ru', which is likely a phishing or malware distribution site. The document body, though heavily obfuscated, references 'Overwatch wiki wrecking ball quotes', suggesting a social engineering lure to entice users to click the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://traffking.ru/strik?utm_term=overwatch+wiki+wrecking+ball+quotes
    • https://static.s123-cdn-static.com/uploads/4484812/normal_5fc80b592e274.pdf
    • https://cdn-cms.f-static.net/uploads/4382408/normal_5f8c2ba64f707.pdf
    • https://cdn.sqhk.co/tuponapalab/RKbjrm9/spotlight_room_escape_hope_math.pdf
    • https://cdn.sqhk.co/peferitukofa/f0CifWY/3d_light_fx_soccer_ball.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://uploads.strikinglycdn.com/files/0b040928-866f-454c-96ff-471236e1c2c2/14668502585.pdf
    • https://uploads.strikinglycdn.com/files/9602acbc-fd38-45b3-8d3a-1ff2fa78ed97/27458056430.pdf
    • https://s3.amazonaws.com/nodetuxapabara/tasuvunenulowireme.pdf
    • https://s3.amazonaws.com/penale/98010385363.pdf
    • https://s3.amazonaws.com/jadere/56563162262.pdf
    • https://s3.amazonaws.com/fexuror/30523310226.pdf
    • https://s3.amazonaws.com/pibabopuduj/waterworld_2_movie_free.pdf
    • https://s3.amazonaws.com/rezugekolaba/sql_server_analysis_services_2017.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f10c.bin
00b82196c453b61847927eaf247abaa7fd61206f4311afb1546502b0a49c8b4c
pdf-font-stream PDF embedded font (sfnt) at offset 0xF10C 5452 bytes
font_01_sfnt_off000103a5.bin
120e9ca6c9f2b2ed6986789d91ec21421f2a83ed18494806d046f14c6585fba4
pdf-font-stream PDF embedded font (sfnt) at offset 0x103A5 11168 bytes
font_02_sfnt_off00012989.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2
pdf-font-stream PDF embedded font (sfnt) at offset 0x12989 4324 bytes