Malicious PDF — malware analysis report

Static analysis result for SHA-256 cebc2aaae0557dd2…

MALICIOUS

PDF

35.5 KB Created: 2021-05-23 12:37:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 142a8f89497e56cddfda354e5adc019f SHA-1: f3401a709ca0a98f46d896fce19e3354d64d87d4 SHA-256: cebc2aaae0557dd262fc428cc7718e3fab5f15dfb146616537b3bbc51204a6c3
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains multiple links that redirect to malicious infrastructure, specifically advertising "game hacks" and "free generators" for popular games. The ML classifier and specific PDF heuristics strongly indicate malicious intent. The embedded links likely serve as a lure to download further malicious payloads or engage in phishing activities.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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/479516143/how-to-get-minecraft-bedrock-for-free-game-hack In PDF document text
    • http://diatecgroup.com/images/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://diatecgroup.com/images/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://diatecgroup.com/images/free-robux-no-verification-needed_GM431946152.pdfIn PDF document text
    • http://diatecgroup.com/images/coin-master-hack-pc-free_GM406889139.pdfIn PDF document text
    • http://diatecgroup.com/images/coin-master-spin-hack-pc_GM406889139.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_off000031a0.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x31A0 24260 bytes
SHA-256: e081c749d750b90775bd91af1c9fd52cee4a90c0194ce62234e16b2bc8dbe2ea
font_01_sfnt_off000068ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x68EF 18436 bytes
SHA-256: 052b3e4eb9e318375354f57606905a9f494055cf593924234d38117cd20d5d16

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