Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe6d5aef00264fe6…

MALICIOUS

PDF

36.2 KB Created: 2021-06-22 12:44:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: df4007dea64ecd1caad007996cf8c490 SHA-1: aa504384036ae4025b3d9dab844808dcf08f4266 SHA-256: fe6d5aef00264fe6e52de6533ccd46690aefeeba66eb77eae99140797a680176
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors and other PDF files, disguised as "free generators" or "game hacks" for popular games like Roblox. The document body and embedded URLs strongly suggest a phishing or scam lure designed to trick users into visiting malicious sites. While no scripts were explicitly extracted, the nature of the links and the lure indicate a high likelihood of further malicious activity, such as downloading additional payloads or redirecting to phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/how-do-you-get-free-robux-and-tix-on-roblox-game-hack In PDF document text
    • https://ceiprevellodetoro.org/images/free-robux-paste_GM431946152.pdfIn PDF document text
    • https://ceiprevellodetoro.org/images/easy-robux-today-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • https://ceiprevellodetoro.org/images/pokemon-go-free-99_GM1094591345.pdfIn PDF document text
    • https://ceiprevellodetoro.org/images/freespinandcoin-blogspot_GM406889139.pdfIn PDF document text
    • https://ceiprevellodetoro.org/images/roblox-hack-apk_GM431946152.pdfIn PDF document text
    • https://ceiprevellodetoro.org/images/free-games-like-roblox_GM431946152.pdfIn PDF document text
    • https://ceiprevellodetoro.org/images/is-minecraft-free-on-xbox_GM479516143.pdfIn PDF document text
    • https://ceiprevellodetoro.org/images/free-star-codes-roblox_GM431946152.pdfIn PDF document text
    • https://ceiprevellodetoro.org/images/free-old-roblox-accounts_GM431946152.pdfIn PDF document text
    • https://ceiprevellodetoro.org/images/cheat-roblox-coins-on-meepcity_GM431946152.pdfIn PDF document text
    • https://ceiprevellodetoro.org/images/free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • https://ceiprevellodetoro.org/images/roblox-promo-codes-free-robux_GM431946152.pdfIn PDF document text
    • https://ceiprevellodetoro.org/images/coin-master-games-hack_GM406889139.pdfIn PDF document text
    • https://ceiprevellodetoro.org/images/free-robux-no-offers_GM431946152.pdfIn PDF document text
    • https://ceiprevellodetoro.org/images/roblox-project-pokemon-dupe-hack_GM431946152.pdfIn PDF document text
    • https://ceiprevellodetoro.org/images/how-to-get-free-clothes-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://ceiprevellodetoro.org/images/hack-exploit-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • https://ceiprevellodetoro.org/images/free-minecraft-maps_GM479516143.pdfIn PDF document text
    • https://ceiprevellodetoro.org/images/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
    • https://ceiprevellodetoro.org/images/free-robux-trade_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
font_00_sfnt_off0000346a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x346A 22720 bytes
SHA-256: b01288e1d6697f18d6a89933f406cc49e506b84e9a9d30cf6f2b9cc11dc463da
font_01_sfnt_off000066c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66C8 19680 bytes
SHA-256: 4f35cb2ce83af57089372b276eab381a84d1ec55a98d1b5eacb2cd9d1dbbd11a

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