Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fe45c2fe8b15685…

MALICIOUS

PDF

75.9 KB Created: 2021-03-17 08:01:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7a401bfe35df7263b98cce10ff516ca7 SHA-1: 20013745f3b705c8c86e29e5c0b7fb6434b93ea5 SHA-256: 2fe45c2fe8b15685eb9fc7c760c28e8a767f1bf7247fdf24e1ea8db1600fe77f
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ClamAV and an ML classifier. It contains an embedded URI pointing to a suspicious domain, which is likely part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, appears to be a lure related to a specific search query, suggesting a targeted phishing attempt.

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://xezojetit.ru/strik?utm_term=2013+dodge+avenger+steering+wheel+size
    • http://nenonazuf.scienceontheweb.net/ca_real_id_drivers_license_requirements.pdf
    • https://ferateritilew.weebly.com/uploads/1/3/4/2/134265971/rerazovifigagu_gigodujide_simisa_xaxixox.pdf
    • http://faponabon.mygamesonline.org/98220568815.pdf
    • http://jidudilubad.mygamesonline.org/77304761015.pdf
    • https://pavufunipuz.weebly.com/uploads/1/3/4/2/134265556/6eddac.pdf
    • http://dusikazo.mypressonline.com/traitor_titan_legion_colour_schemes.pdf
    • https://dumisoxi.weebly.com/uploads/1/3/4/6/134625223/1b402f88cbe761.pdf
    • https://vilinumatilaji.weebly.com/uploads/1/3/2/7/132740241/geriwubigekub.pdf
    • http://vexetifiridik.mypressonline.com/merisivutawela.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/10b706c2-a859-4a43-a221-b359f75b9a20/how_to_get_started_in_politics_us.pdf
    • http://pimobepetokonud.myartsonline.com/cabrio_washer_manual_diagnostic_test_mode.pdf
    • https://uploads.strikinglycdn.com/files/6be0f157-46f9-4982-b948-7f8b84573327/65658780013.pdf
    • https://uploads.strikinglycdn.com/files/71fd1e54-6e49-44bd-a2f9-ba590e784571/40757375379.pdf
    • https://s3.amazonaws.com/goneduzum/horoscope_apps_for_android_phones.pdf
    • https://s3.amazonaws.com/kotodur/gadajemikazaparenoguwosuf.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_off0000eb2f.bin
7c5460a1cc3133a4486deba377102fb07d2c8f209d3dc588a57122eb39bbb805		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEB2F 5684 bytes
font_01_sfnt_off0000fea6.bin
b7a6dc0fbe07325533857df120ff08e3c5fa92c2d49496e7048b48a6dba1479d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFEA6 10424 bytes

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