Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d2a61f99f857357…

MALICIOUS

PDF

34.7 KB Created: 2021-06-28 23:59:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: dbb5d667f22657002f2e839c459d6794 SHA-1: 90f4e936918a63aa3d67e443b9bc5d55d9972833 SHA-256: 9d2a61f99f857357cc1bfbae6c57434f8f92cd26d8acaf42f9c28eba24be34c7
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for a game hack generator, directing users to a known malicious redirector. The document body and embedded URLs strongly suggest a phishing attempt to trick users into visiting malicious sites. While no scripts were explicitly extracted, the nature of the lure and the embedded URLs indicate a high likelihood of further malicious activity, such as downloading additional payloads.

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/roblox-dragon-ball-final-stand-cheat-game-hack In PDF document text
    • https://lib.btkljogja.or.id/repository/universal-minecraft-converter-free_GM479516143.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/roblox-jailbreak-money-hack-2021-november_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/how-do-you-make-tshirts-free-roblox_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/roblox-robux_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/how-to-get-free-robux-easy-pastebin_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/minecraft-hacks-xbox_GM479516143.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/roblox-how-to-get-free-robux-youtube-2021_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/become-vip-roblox-free_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/how-to-get-free-coins-and-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/how-to-get-free-robux-fast-2021_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/bloxpage-free-robux_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/minecraft-logo-maker-free_GM479516143.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/robux-robux_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/you-to-get-free-robux-no-hack_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/bit-slicer-roblox-speed-hack_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/free-robux-generator-no-survey-or-verification_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/xbox-hack-to-play-roblox_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/how-to-pubg-uc-hack_GM1330123889.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/free-robux-generator-for-robots_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_off00003127.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3127 21892 bytes
SHA-256: 642df6fdf581048d4efbdf33d40d3e28a906798d4cdca75b42ee5a1df40f609e
font_01_sfnt_off00006186.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6186 19380 bytes
SHA-256: 6d59ad3c0f09c3f22295096c6c63cb798e1117731f7e72ca77c1c2dc81ab0ddc

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