Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce8692088113ad0d…

MALICIOUS

PDF

55.0 KB Created: 2021-05-11 08:08:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 25a80025d534d1f710592fc6a6fa4a39 SHA-1: 821a985b16f2d40b1c3c3c69f5a28a0508b4c64b SHA-256: ce8692088113ad0d134a41d79b770ddf6ca87059afac555a96a14428ff219c59
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that point to known malicious redirectors and lures users with terms like 'Roblox Robux Generator'. The heuristic firings indicate that the PDF is designed to redirect users to potentially harmful content, likely a scam or a phishing attempt. While no scripts were explicitly extracted, the PDF structure itself facilitates the redirection, aligning with T1059.007 if JavaScript were involved in the redirection process, and T1566.001 as a likely initial access vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9400

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/roblox-robux-generator-http-freerobuxgenerator-xyz-game-hack In PDF document text
    • http://www.himalassociation.org/himal/ck_image/files/coin-master-free-link-today_GM406889139.pdfIn PDF document text
    • http://www.himalassociation.org/himal/ck_image/files/no-scam-free-robux_GM431946152.pdfIn PDF document text
    • http://www.himalassociation.org/himal/ck_image/files/websites-that-give-free-robux_GM431946152.pdfIn PDF document text
    • http://www.himalassociation.org/himal/ck_image/files/roblox-hackers-list_GM431946152.pdfIn PDF document text
    • http://www.himalassociation.org/himal/ck_image/files/free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://www.himalassociation.org/himal/ck_image/files/coin-master-free-spin-software_GM406889139.pdfIn PDF document text
    • http://www.himalassociation.org/himal/ck_image/files/roblox-hacked-version-download_GM431946152.pdfIn PDF document text
    • http://www.himalassociation.org/himal/ck_image/files/roblox-heroes-online_GM431946152.pdfIn PDF document text
    • http://www.himalassociation.org/himal/ck_image/files/free-robux-generator-without-human-verification_GM431946152.pdfIn PDF document text
    • http://www.himalassociation.org/himal/ck_image/files/mcpe-hack-client_GM479516143.pdfIn PDF document text
    • http://www.himalassociation.org/himal/ck_image/files/how-to-get-roblox-credit-for-free_GM431946152.pdfIn PDF document text
    • http://www.himalassociation.org/himal/ck_image/files/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
    • http://www.himalassociation.org/himal/ck_image/files/coin-master-free-spins-today-daily-links_GM406889139.pdfIn PDF document text
    • http://www.himalassociation.org/himal/ck_image/files/www-rbx-com_GM431946152.pdfIn PDF document text
    • http://www.himalassociation.org/himal/ck_image/files/coinmasterdailyfreespins-com_GM406889139.pdfIn PDF document text
    • http://www.himalassociation.org/himal/ck_image/files/coin-master-daily-free-spins-link-today-facebook_GM406889139.pdfIn PDF document text
    • http://www.himalassociation.org/himal/ck_image/files/how-to-get-free-robux-by-playing-games_GM431946152.pdfIn PDF document text
    • http://www.himalassociation.org/himal/ck_image/files/free-coin-master-account_GM406889139.pdfIn PDF document text
    • http://www.himalassociation.org/himal/ck_image/files/free-roblox-accounts-with-robux_GM431946152.pdfIn PDF document text
    • http://www.himalassociation.org/himal/ck_image/files/mcmaster-club-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://www.nrzroblox.comIn 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_003_off00004daf.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4DAF 39408 bytes
SHA-256: 3a3032311df3f03c74f0497dd3010598563ee34abd3a5dc27bc1947bd9bf4836
font_01_sfnt_off0000a55f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA55F 5696 bytes
SHA-256: 450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139
font_02_sfnt_off0000b270.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB270 19148 bytes
SHA-256: ca12ce3d7dfc1e8f594ff16b8d50f9174b7c57a2d485e52127105fd2973060c9

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