Malicious PDF — malware analysis report

Static analysis result for SHA-256 44e7ec89485abd5f…

MALICIOUS

PDF

34.7 KB Created: 2021-06-30 04:03:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 7c0c40ddcbf81f9efa06b94a7a63c943 SHA-1: 80c811f544253f1920425d389c3764f3e3f0ddbc SHA-256: 44e7ec89485abd5f81a49760e5225dc19cfcae9793f7a36572ec6aa95673671e
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple embedded URLs that lead to a known malicious redirector. The document body and heuristics indicate a lure for game hacks and free in-game currency, likely intended to trick users into downloading malware or visiting further malicious sites. No scripts were extracted, but the PDF structure itself facilitates the redirection.

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/elemental-battlegrounds-hack-roblox-game-hack In PDF document text
    • http://digilibfisip.uwks.ac.id/repository/best-roblox-hacks-2021_GM431946152.pdfIn PDF document text
    • http://digilibfisip.uwks.ac.id/repository/roblox-free-gear-codes_GM431946152.pdfIn PDF document text
    • http://digilibfisip.uwks.ac.id/repository/how-to-get-free-robux-on-roblox-easy-2021_GM431946152.pdfIn PDF document text
    • http://digilibfisip.uwks.ac.id/repository/is-roblox-free-on-the-nintendo-switch_GM431946152.pdfIn PDF document text
    • http://digilibfisip.uwks.ac.id/repository/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://digilibfisip.uwks.ac.id/repository/roblox-free-model-viruses_GM431946152.pdfIn PDF document text
    • http://digilibfisip.uwks.ac.id/repository/how-to-hack-roblox-jailbreak-on-ios_GM431946152.pdfIn PDF document text
    • http://digilibfisip.uwks.ac.id/repository/how-to-get-free-accessories-in-roblox-2021_GM431946152.pdfIn PDF document text
    • http://digilibfisip.uwks.ac.id/repository/hacks-for-roblox-jailbreak-2021_GM431946152.pdfIn PDF document text
    • http://digilibfisip.uwks.ac.id/repository/free-robux-generator-no-survey-no-download_GM431946152.pdfIn PDF document text
    • http://digilibfisip.uwks.ac.id/repository/just-go-to-mobi-hack-robloxhack_GM431946152.pdfIn PDF document text
    • http://digilibfisip.uwks.ac.id/repository/free-robux-username-and-password_GM431946152.pdfIn PDF document text
    • http://digilibfisip.uwks.ac.id/repository/how-to-find-free-helicopter-in-mad-city-roblox_GM431946152.pdfIn PDF document text
    • http://digilibfisip.uwks.ac.id/repository/how-to-get-free-robux-inspect-element-2021_GM431946152.pdfIn PDF document text
    • http://digilibfisip.uwks.ac.id/repository/codes-to-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://digilibfisip.uwks.ac.id/repository/free-robux-no-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://digilibfisip.uwks.ac.id/repository/hack-para-trials-simon-says-roblox_GM431946152.pdfIn PDF document text
    • http://digilibfisip.uwks.ac.id/repository/roblox-anomaly-breach-items-cheats_GM431946152.pdfIn PDF document text
    • http://digilibfisip.uwks.ac.id/repository/scripts-free-roblox-2021_GM431946152.pdfIn PDF document text
    • http://digilibfisip.uwks.ac.id/repository/hacks-for-kat-roblox_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_off0000305a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x305A 22252 bytes
SHA-256: d29b0fc104abf69b2129fe495c49ed24c467793fcc01b25f60e432e096b33099
font_01_sfnt_off000061d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61D8 19336 bytes
SHA-256: 3429183ca21c01f0a78a853bd19f7a8e35922fa357096819f81a9735a3197b5e