Malicious PDF — malware analysis report

Static analysis result for SHA-256 68e799d244aa24c8…

MALICIOUS

PDF

40.9 KB Created: 2021-05-14 12:07:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 77182d5290bbaa0783e84fa2ca2aaaeb SHA-1: 7ce31ebfd7f3de0b70809847004be259636d8622 SHA-256: 68e799d244aa24c820b86051bfd5eb6dc37dae31f51d8be21a8deb8ec3fdd1d9
160 Risk Score

Malware Insights

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

The PDF contains multiple links to websites offering game hacks and free in-game currency, identified by heuristics as malicious redirectors. The document body and embedded URLs strongly suggest a lure to trick users into visiting potentially harmful sites, likely for credential harvesting or malware distribution. No scripts were extracted, but the presence of malicious links and the ML classifier output indicate a high likelihood of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/406889139/hackear-coin-master-espaol-game-hack In PDF document text
    • http://auto-mankel.de/images/roblox-rape-hack_GM431946152.pdfIn PDF document text
    • http://auto-mankel.de/images/free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://auto-mankel.de/images/how-to-get-free-robux-on-phone_GM431946152.pdfIn PDF document text
    • http://auto-mankel.de/images/coin-master-free-blogspot_GM406889139.pdfIn PDF document text
    • http://auto-mankel.de/images/get-free-cards-in-coin-master_GM406889139.pdfIn PDF document text
    • http://auto-mankel.de/images/coin-master-hack-mod-apk_GM406889139.pdfIn PDF document text
    • http://auto-mankel.de/images/a-lot-of-robux_GM431946152.pdfIn PDF document text
    • http://auto-mankel.de/images/master-coin-hack_GM406889139.pdfIn PDF document text
    • http://auto-mankel.de/images/free-robux-that-actually-works-2021_GM431946152.pdfIn PDF document text
    • http://auto-mankel.de/images/are-robux-generators-safe_GM431946152.pdfIn PDF document text
    • http://auto-mankel.de/images/mcpe-master-hack-coin-apk_GM406889139.pdfIn PDF document text
    • http://auto-mankel.de/images/free-coins-coin-master-blog_GM406889139.pdfIn PDF document text
    • http://auto-mankel.de/images/how-to-get-free-coins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://auto-mankel.de/images/free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • http://auto-mankel.de/images/minecraft-free-android_GM479516143.pdfIn PDF document text
    • http://auto-mankel.de/images/roblox-free-roblox_GM431946152.pdfIn PDF document text
    • http://auto-mankel.de/images/how-to-get-free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • http://auto-mankel.de/images/daily-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://auto-mankel.de/images/how-to-get-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://auto-mankel.de/images/coin-master-free-mighty-lion-card_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_003_off00004750.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4750 24472 bytes
SHA-256: 60d05183282e769748ae53d5c8c091a54742d17d9b17ff6c9027e107d0bafbfb
font_01_sfnt_off00007e59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E59 17968 bytes
SHA-256: e55399e6b1729cd549cc8f12a8b8cdf8c971c0c09938f8d6dc12d7f4d019c528

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