Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e2d999e0b25c983…

MALICIOUS

PDF

39.3 KB Created: 2021-05-23 19:41:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 83197fbc6fa8d932be2d74ff4ee1a769 SHA-1: 78a69dfd4661804a46c15765885929749a9f82ac SHA-256: 8e2d999e0b25c983c666a634408efbd33909237b79efc4aeec16bb3c699c2209
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, disguised as game hacks and generators, which is a common lure for phishing or malware distribution. The document body explicitly contains a call to action to 'CLICK HERE TO ACCESS MINECRAFT GENERATOR' and points to a URL that is flagged as a malicious redirector. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

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/minecraft-online-free-no-download-game-hack In PDF document text
    • http://cofys.nl/images/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
    • http://cofys.nl/images/roblox-person_GM431946152.pdfIn PDF document text
    • http://cofys.nl/images/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://cofys.nl/images/google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://cofys.nl/images/spin-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off000035ea.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x35EA 24416 bytes
SHA-256: 5f734cfd47ed5fcd3acf3ffde15de926e5dac9572f68ce76c67f82e744a8ddc5
font_01_sfnt_off00006dcc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DCC 3056 bytes
SHA-256: dd24a0ab94df4552e459bd06fd01b0fd3f021c1d51d1d64407070e735974a028
font_02_sfnt_off0000783f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x783F 18292 bytes
SHA-256: b061ada675b676782f5f9f5eef39691e0700ad1698d2269622484eea1080e831

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