Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7f202eaed9b4a91…

MALICIOUS

PDF

35.8 KB Created: 2021-05-21 00:16:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: aa553f273ecd7757ce7fdcabff6ca40f SHA-1: 377b739155fab40444920c835ea9b148a1e08625 SHA-256: d7f202eaed9b4a91a37b7c61948a9e58de33b7a5205bc2a41aaebbae671377ef
160 Risk Score

Malware Insights

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

The PDF contains multiple links to external websites, one of which is identified as a malicious redirector. The document body and heuristics suggest a lure for 'game hacks' or 'generators', aiming to trick users into clicking these links. The ML classifier also flagged this PDF as malicious, increasing confidence in its malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9508

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-make-a-minecraft-pe-server-for-free-game-hack In PDF document text
    • https://www.ak-oroslavje.hr/files/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://www.ak-oroslavje.hr/files/coin-master-collect-today-free-spin_GM406889139.pdfIn PDF document text
    • https://www.ak-oroslavje.hr/files/robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.ak-oroslavje.hr/files/how-to-install-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://www.ak-oroslavje.hr/files/how-to-get-free-robux-without-doing-anything-2021_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_off000030a3.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x30A3 26324 bytes
SHA-256: 23bfeef8f78af486dce9bbe3ff72e4c4908662799e7214760d85047d61267184
font_01_sfnt_off00006aa6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6AA6 18312 bytes
SHA-256: 8d57e09dc2ab5dee4130bc415c565a1cfab31eb7ee6f144ff295d83a81e29e1a

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