Malicious PDF — malware analysis report

Static analysis result for SHA-256 33e0e94795757167…

MALICIOUS

PDF

45.5 KB Created: 2021-05-01 10:31:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 22e698584c3836cfbbffc7147963e562 SHA-1: 7da24baf3300886d03db96702a45150c37e405e9 SHA-256: 33e0e947957571676ebba411d7f2f98a5940384bfa107013f6bbc5f70df7bc0c
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links, including one identified as a malicious redirector, designed to lure users into clicking for game hacks or free Robux. The document body and heuristics indicate a social engineering tactic to drive traffic to potentially malicious sites. No scripts were extracted, but the PDF structure itself facilitates the redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9814

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 https://netcdn.xyz/app/431946152/real-no-hummon-verification-robux-hack-game-hack In PDF document text
    • https://lib-stie.yai.ac.id/repository/robloxcity-robux-free.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/premium-software-roblox-hack.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/cheats-to-get-roblox-money.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-roblox-accounts-2021-with-robux-may.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/roblox-the-dump-work-at-a-pizza-place-money-hacks.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/how-to-get-free-robux-no-3-easy-steps.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/hackear-prison-life-roblox-2021.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/run-free-roblox.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/kazok-roblox-hack-script.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-robux-accounts-v3rmillion.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003eaa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3EAA 28896 bytes
SHA-256: b62860c42b062ed1f92c00566c1275fbdab19085512d7857118962c8252d6054
font_01_sfnt_off00008174.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8174 3884 bytes
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf
font_02_sfnt_off00008e1b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E1B 18940 bytes
SHA-256: d05c7aea047dc7b7de15c09dae576e7be2725617e9b7042a88a4624f79d3a9c6

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