Malicious PDF — malware analysis report

Static analysis result for SHA-256 980fa942abccaa58…

MALICIOUS

PDF

34.0 KB Created: 2021-07-04 17:17:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 40b84279e43283dac35a49a19522a14d SHA-1: 30e0aba3c393340b386449c26d86c5284828a403 SHA-256: 980fa942abccaa582a86233b9c35045b542141663e80de3acf32ba940ba1a31d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links to websites that appear to offer free game currency or hacks, such as 'free-robux-cards-game-hack'. These links are flagged as malicious redirectors, indicating a likely attempt to lead the user to a malicious site for further exploitation or malware delivery. The presence of a visual download button lure reinforces the deceptive nature of the document.

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.tw/app/431946152/free-robux-cards-game-hack In PDF document text
    • http://lib.stimykpn.ac.id//repository/how-do-you-get-roebucks-for-free_GM431946152.pdfIn PDF document text
    • http://lib.stimykpn.ac.id/repository/roblox-tool-hack-download_GM431946152.pdfIn PDF document text
    • http://lib.stimykpn.ac.id/repository/roblox-how-to-get-free-robux-with-google-chrome_GM431946152.pdfIn PDF document text
    • http://lib.stimykpn.ac.id/repository/how-to-hack-on-roblox-rap-battles_GM431946152.pdfIn PDF document text
    • http://lib.stimykpn.ac.id/repository/free-minecraft-java-account_GM479516143.pdfIn PDF document text
    • http://lib.stimykpn.ac.id/repository/roblox-island-royale-download-free_GM431946152.pdfIn PDF document text
    • http://lib.stimykpn.ac.id//repository/robux-game_GM431946152.pdfIn PDF document text
    • http://lib.stimykpn.ac.id/repository/cheat-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://lib.stimykpn.ac.id//repository/free-minecraft-realms-to-join_GM479516143.pdfIn PDF document text
    • http://lib.stimykpn.ac.id/repository/claim-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://lib.stimykpn.ac.id/repository/fe-bypass-roblox-hack_GM431946152.pdfIn PDF document text
    • http://lib.stimykpn.ac.id/repository/coin-master-free-link-spin_GM406889139.pdfIn PDF document text
    • http://lib.stimykpn.ac.id//repository/get-free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.stimykpn.ac.id/repository/hack-para-conseguir-dientes-gratis-en-sharkbite-roblox_GM431946152.pdfIn PDF document text
    • http://lib.stimykpn.ac.id//repository/how-to-get-free-robux-without-offers_GM431946152.pdfIn PDF document text
    • http://lib.stimykpn.ac.id/repository/roblox-hack-commands-list_GM431946152.pdfIn PDF document text
    • http://lib.stimykpn.ac.id/repository/roblox-phantom-forces-cheats_GM431946152.pdfIn PDF document text
    • http://lib.stimykpn.ac.id/repository/roblox-hackprogamers-com_GM431946152.pdfIn PDF document text
    • http://lib.stimykpn.ac.id/repository/what-do-roblox-points-do_GM431946152.pdfIn PDF document text
    • http://lib.stimykpn.ac.id/repository/roblox-apoc-rising-skin-giver-hack-v3rmillion_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
stream_002_off00002ed7.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2ED7 22268 bytes
SHA-256: 26c212796450970606e8b5347e73ffa6009d97b01f061f772750a90880742b93
font_01_sfnt_off00006044.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6044 18888 bytes
SHA-256: 6c6de0ceaed5fc014d3dcce92ca1cb896bf7995edf6e50a0e815779b2f83a656

Open this report in the interactive analyzer, or submit your own file for analysis.