Malicious PDF — malware analysis report

Static analysis result for SHA-256 296077c7930278ea…

MALICIOUS

PDF

70.2 KB Created: 2021-04-03 00:33:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 02656b6d0a1456dcc8599ce827750be2 SHA-1: 5a28b28a4702ec10270ea6f8e997e3f9cd0ce6dd SHA-256: 296077c7930278eabe62f87a528a4561c635c7f9e6a86591d807221b5bceaa1e
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that mimics a search result for a BMW owner's manual, likely as a lure. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The presence of external URIs and the overall detection suggest the document is designed to trick users into downloading further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://bologen.ru/award?keyword=2020+bmw+x1+owner+s+manual+pdf
    • https://cdn-cms.f-static.net/uploads/4416935/normal_6027b6b5a4c7c.pdf
    • http://sekizabugurewud.iblogger.org/breathing_under_water_richard_rohr.pdf
    • https://cdn-cms.f-static.net/uploads/4474445/normal_6060c21cb53c8.pdf
    • https://cdn-cms.f-static.net/uploads/4476432/normal_60678937238ca.pdf
    • https://cdn-cms.f-static.net/uploads/4392462/normal_60522d6adb546.pdf
    • https://cdn-cms.f-static.net/uploads/4454289/normal_605f7af16cf7e.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/3fa12557-de8d-4d8d-950d-646f33f77ceb/61944787756.pdf
    • https://uploads.strikinglycdn.com/files/2fcccfc8-2e79-408b-bf90-1f4e963c272a/hp_officejet_6500_ink_cartridge.pdf
    • https://uploads.strikinglycdn.com/files/4b95ca1a-5ba6-4426-a5d6-6ccb3832c329/dokoxazonupufal.pdf
    • https://uploads.strikinglycdn.com/files/7504573f-a878-40c9-915e-92f5267551ba/xbox_one_controller_pc_driver_windows_10_64_bit.pdf
    • https://uploads.strikinglycdn.com/files/04c4df63-4c37-4fbf-9ab7-89147422ded5/the_science_of_success_book.pdf
    • https://uploads.strikinglycdn.com/files/bf8ff4b1-30e2-4082-a4d2-49512006102d/zijasawur.pdf
    • https://uploads.strikinglycdn.com/files/ddfb721c-4b8d-43f0-b39f-7cbbf26cbfbc/25402992003.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_off0000d489.bin
27e01858f9648589f8ab8eb1b1bedb111b9d6a5e1b115d2c9b6d132952707085		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD489 5716 bytes
font_01_sfnt_off0000e7fc.bin
96ac48524fea9cbdf6f049f6ac99b5534e64077333773f1b82458d3642a79275		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE7FC 10644 bytes

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