Malicious PDF — malware analysis report

Static analysis result for SHA-256 297e2c8006556883…

MALICIOUS

PDF

38.5 KB Created: 2021-04-29 01:42:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-14
MD5: 3cec2292b6376a696452005c8ee3644b SHA-1: 3251350908b6ad18144b2a970060ba052698c219 SHA-256: 297e2c8006556883c3dac2f8402fea4382f519ef61e0c70bdfa63dbfee6223c0
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, specifically advertising a 'hack Roblox Pastebin Com' generator. The document body text and heuristic firings confirm the intent to redirect users to potentially harmful content. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8972

Heuristics 4

  • 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.
  • 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/hack-roblox-pastebin-com-game-hack In PDF document text
    • http://beesengineering.com/uploaded_files/userfiles/files/free-pins-for-robux.pdfIn PDF document text
    • http://beesengineering.com/uploaded_files/userfiles/files/free-robux-quickly.pdfIn 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
font_00_sfnt_off000037a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x37A9 26724 bytes
SHA-256: 648fa648e21b3d7c26d25994788b1f99165a03d422903e5e7d6a7e9427646b8e
font_01_sfnt_off00007367.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7367 18820 bytes
SHA-256: c58fcb1e2a337a61dc9d797bae3a3b27dbe3eb614834bd8478c796428c83515c

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