Malicious PDF — malware analysis report

Static analysis result for SHA-256 360cf9299ba6eea5…

MALICIOUS

PDF

37.6 KB Created: 2021-05-16 08:00:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8098ab92de612c6e42cc38fbe8a42a3b SHA-1: 780ce5978e3bafec2d2fb4094dc87fdddf474824 SHA-256: 360cf9299ba6eea5e3773d779b3ac94861aff2d0504e6454c7a9ec2a7583ec15
170 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link T1505.003 Server Software Component: Exploit Public-Facing Application

The PDF document contains multiple heuristics indicating malicious redirection and a lure for game hacks, specifically pointing to the URL 'https://netcdn.xyz/app/431946152/how-to-hack-and-get-free-robux-game-hack'. It also includes instructions to disable security software, which is a strong indicator of malicious intent. The document body text reinforces the lure by mentioning 'How To Hack And Get Free Robux' and a 'CLICK HERE TO ACCESS ROBLOX GENERATOR' call to action.

Machine Learning

  • Nyx PDF Classifier clean score 0.0334

Heuristics 5

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Security software disable instruction high SE_SECURITY_BYPASS
    Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://netcdn.xyz/app/431946152/how-to-hack-and-get-free-robux-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00003325.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3325 25984 bytes
SHA-256: c32238722674cc25073926a7f94a1e8e6d72b5685e7e9bb809ba9e610739fa1f
font_01_sfnt_off00006fce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FCE 18856 bytes
SHA-256: d1af75e50eba08e00cb44d21026f4cdbf29920fa5250f1112d9d0eb56b6eb802

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