Malicious PDF — malware analysis report

Static analysis result for SHA-256 38f06489ed0fab57…

MALICIOUS

PDF

31.2 KB Created: 2021-07-03 13:04:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 112f38fa705ca8cef6fc43de90a42f56 SHA-1: b2cd69ac1d1ced87650bf245d491e0e548ad2ea4 SHA-256: 38f06489ed0fab578e5f833ccfe34ec417b665a44603998417757f4372884b95
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that are flagged as malicious redirectors, specifically targeting users with lures related to game hacks and free generators. The document body itself contains text and URLs that reinforce this lure, directing users to download-related PDFs or hack generators. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent, likely leading to further malware downloads or phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

Heuristics 3

  • 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.
  • 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 http://netcdn.tw/app/479516143/how-to-get-minecraft-for-free-on-your-phone-game-hack In PDF document text
    • http://astdubai.co/userfiles/files/minecraft-java-edition-free_GM479516143.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/logo-hacker-roblox_GM431946152.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/free-robux-websites-2021_GM431946152.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/free-robux-group-payouts_GM431946152.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/coin-master-time-speed-hack_GM406889139.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/coin-master-free-spins-promo-code_GM406889139.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/the-easier-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/how-to-make-a-minecraft-pe-server-for-free_GM479516143.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/pokemon-go-free-vs-ultra_GM1094591345.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/minecraft-free-apk_GM479516143.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/free-robux-generator-for-roblox-2021_GM431946152.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/minecraft-windows-10-mod-menu_GM479516143.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/clean-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/roblox-studio-free-robux_GM431946152.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/clients-minecraft_GM479516143.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/roblox-pink-free-robux_GM431946152.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/free-robux-fan-club_GM431946152.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/best-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/how-to-hack-roblox-for-robux_GM431946152.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/today-coin-master-free-coins-link_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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003318.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3318 21916 bytes
SHA-256: 6d1e69f16f359dbc4ae4161deb5fb3f6de7018132bb1951ddde0329874478a88

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