Malicious PDF — malware analysis report

Static analysis result for SHA-256 0df44910082ecef1…

MALICIOUS

PDF

34.9 KB Created: 2021-07-01 09:22:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 069fb4cdc9dc103cf9d0bc06be8beb51 SHA-1: d5487849d1e34ef1ead61bdfc1dee81f5e77a332 SHA-256: 0df44910082ecef1d8466522311fa358b9886df424a9b111779c8cde659882a0
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document employs a lure related to game hacks and generators, directing users to a known malicious redirector. This suggests an attempt to deliver a second-stage payload or lead users to a phishing site. The presence of multiple embedded URLs pointing to similar themes reinforces this malicious intent.

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-to-kick-players-roblox-hack-game-hack In PDF document text
    • http://elibrary.smknesbu.sch.id/repository/hack-de-robux-infinitos-en-roblox_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/free-robux-without-human-verification-mobile_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/how-to-hack-roblox-servers-2021_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/youtubers-that-give-codes-for-robux-for-free_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/roblox-tycoon-money-cheat_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/free-minecraft-realm-codes_GM479516143.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/archery-master-3d-apk-and-mod-free-download-unlimited-coins_GM406889139.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/roblox-generator-hack-ml-2021_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/how-to-get-free-money-on-adopt-me-roblox-2021_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/live-roblox-bubble-gum-simulator-hack_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/optifine-pe_GM479516143.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/rbx-roblox_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/how-to-get-20210-robux-for-free_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/free-headless-glitch-roblox_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/roblox-robux-hack-november-2021_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/roblox-free-without-installing_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/minecraft-diamond-finder-hack_GM479516143.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/how-to-get-roblox-credit-for-free_GM431946152.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003069.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3069 22624 bytes
SHA-256: c40b92450aac5074d7b4e6053c90d888975512cc5013b377ff69ba601e43636b
font_01_sfnt_off000062d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62D4 19276 bytes
SHA-256: b9f0cc1c353ce0f9c1421380818f6bcd5554595257cafdbf777c75891a4a291c

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