Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae8852c4224cd006…

MALICIOUS

PDF

32.8 KB Created: 2021-06-20 03:37:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 85e19f576d6d5a808767eaaa5ed6d17f SHA-1: d29897e83ec2c5fa3de5d899485d0f0496922c84 SHA-256: ae8852c4224cd0067589328c1eb4806a0aa3bea855bc5c3b77abbc78e5bcc4c3
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting 'free generators' for games like Roblox. The heuristic firings indicate that these links are associated with known malicious redirectors and game hack lures. While no scripts were explicitly extracted, the document body and embedded URLs suggest a phishing or scam attempt to trick users into visiting potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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/roblox-hack-robux-youtube-game-hack In PDF document text
    • http://galletta.com/images/your-cheating-on-your-roblox-girlfriend-meme_GM431946152.pdfIn PDF document text
    • http://galletta.com/images/master-coin-hack-game_GM406889139.pdfIn PDF document text
    • http://galletta.com/images/free-roblox-catalog-things_GM431946152.pdfIn PDF document text
    • http://galletta.com/images/free-robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://galletta.com/images/get-free-followers-on-tiktok_GM835599320.pdfIn PDF document text
    • http://galletta.com/images/how-to-downgrade-minecraft-pe_GM479516143.pdfIn PDF document text
    • http://galletta.com/images/coin-master-free-spins-16-04-19_GM406889139.pdfIn PDF document text
    • http://galletta.com/images/free-gifts-coin-master_GM406889139.pdfIn PDF document text
    • http://galletta.com/images/what-roblox-games-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://galletta.com/images/minecraft-free-trial_GM479516143.pdfIn PDF document text
    • http://galletta.com/images/hack-generador-de-robux_GM431946152.pdfIn PDF document text
    • http://galletta.com/images/coin-master-hack-ios-without-verification_GM406889139.pdfIn PDF document text
    • http://galletta.com/images/roblox-studio-free-robux_GM431946152.pdfIn PDF document text
    • http://galletta.com/images/free-robux-redeem-codes_GM431946152.pdfIn PDF document text
    • http://galletta.com/images/how-to-get-free-skins-in-minecraft_GM479516143.pdfIn PDF document text
    • http://galletta.com/images/coin-master-spins-free-2021_GM406889139.pdfIn PDF document text
    • http://galletta.com/images/free-coins-coin-master-link_GM406889139.pdfIn PDF document text
    • http://galletta.com/images/free-spins-coin-master-links_GM406889139.pdfIn PDF document text
    • http://galletta.com/images/coin-master-ultra-attack-hack_GM406889139.pdfIn PDF document text
    • http://galletta.com/images/roblox-se-througth-all-hack_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_off0000285e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x285E 22740 bytes
SHA-256: f723fc517d2e18dcea010ae51e8fb9f7165d0119e188151f750106cedd93a8f7
font_01_sfnt_off00005b4d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B4D 19060 bytes
SHA-256: 752d9f9f6c147f13f46c09f860621a714a20948b9cb620eb4529d60443f62fcc

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