Malicious PDF — malware analysis report

Static analysis result for SHA-256 134a72e4f422531a…

MALICIOUS

PDF

33.2 KB Created: 2021-06-20 01:20:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 961890513cb39f11c8f485ca1b2942d7 SHA-1: 098ac43a96295688a8eb2894ff52f5cffe82fe2a SHA-256: 134a72e4f422531addb04378ae2b05a55bc4d5ad3c6d1a4135b188809d309e71
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that redirect to malicious infrastructure, masquerading as game hack generators. The primary lure is a link to 'how-2-hack-roblox-accounts-game-hack', which is hosted on a known malicious redirector. The document body and embedded URLs strongly suggest a phishing or scam attempt to trick users into visiting malicious 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/how-2-hack-roblox-accounts-game-hack In PDF document text
    • http://digilib.akperkabpurworejo.ac.id//repository/free-robux-master_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/how-to-hack-minecraft_GM479516143.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/roblox-hack-robux-and-tix-download-free_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/cheats-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://digilib.akperkabpurworejo.ac.id/repository/roblox-can-moderators-get-free-robux_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id//repository/free-robux-just-enter-username_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id//repository/coin-master-free-spin-software_GM406889139.pdfIn PDF document text
    • https://digilib.akperkabpurworejo.ac.id/repository/roblox-script-hack-get-everything_GM431946152.pdfIn PDF document text
    • https://digilib.akperkabpurworejo.ac.id/repository/ideos-para-hackear-roblox_GM431946152.pdfIn PDF document text
    • https://digilib.akperkabpurworejo.ac.id/repository/how-to-make-your-own-minecraft-pe-server-for-free_GM479516143.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/how-to-get-free-robux-no-hack-or-generator_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id//repository/coin-master-hack-ios-reddit_GM406889139.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/roblox-free-builders-club-2021_GM431946152.pdfIn PDF document text
    • https://digilib.akperkabpurworejo.ac.id/repository/best-hack-roblox_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/roblox-microsoft-rewards_GM431946152.pdfIn PDF document text
    • https://digilib.akperkabpurworejo.ac.id/repository/free-robux-promo-codes-2021-list_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id/repository/roblox-avatar-com_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id//repository/free-robux-without-human-verification-real_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id//repository/how-to-hack-roblox-games_GM431946152.pdfIn PDF document text
    • http://digilib.akperkabpurworejo.ac.id//repository/robux-now_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_off00002b00.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2B00 22272 bytes
SHA-256: aac8f0adfe49f718d47a2763daaeeabdff093b1f93ec9090f22a39f20b93a04b
font_01_sfnt_off00005c78.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C78 19188 bytes
SHA-256: 3f90359c9010cf3a4a0b0bf61db9540eec008e6f7fa575ba94d18d0478e27a66

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