Malicious PDF — malware analysis report

Static analysis result for SHA-256 1492905c006bb904…

MALICIOUS

PDF

36.8 KB Created: 2021-05-24 01:34:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6a7e92dcc832631d1cc9e413aa2ecdd1 SHA-1: bd39480e3d334deaaa9b09955dfe33f4cfc2d76a SHA-256: 1492905c006bb9049d8a44533326b850da9fd0c8922b42b8f9a2b329de3d1f92
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to websites offering 'free Robux' or 'game hacks', which are common lures for malicious content. The heuristic firings confirm these links point to malicious redirectors and a game hack lure. The document body also contains similar lures and directs users to the malicious URL https://netcdn.xyz/app/431946152/free-robux-codes-no-verification-game-hack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

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/free-robux-codes-no-verification-game-hack In PDF document text
    • http://modenese.net/images/paytm-to-pubg-uc_GM1330123889.pdfIn PDF document text
    • http://modenese.net/images/give-me-robux-now_GM431946152.pdfIn PDF document text
    • http://modenese.net/images/how-do-u-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://modenese.net/images/free-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://modenese.net/images/free-robux-without-verification_GM431946152.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
stream_002_off00003278.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3278 25176 bytes
SHA-256: c5320622bdf6d2915e4192b168c800d28bca0714dc13d4444e6b4086725f3c4e
font_01_sfnt_off00006cb6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CB6 18776 bytes
SHA-256: 1501cc25bcf8c3b3bf9df14f68216c1cc39cc5b0131e4343b63bafa21afb9c06

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