Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e2ec6510c67543b…

MALICIOUS

PDF

33.0 KB Created: 2021-07-21 01:45:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6075600bb752aae8f82660052c2522a0 SHA-1: d06017b688b5774ead6ccca2acedcaa963739d31 SHA-256: 9e2ec6510c67543bfd994278bbfb735acbad9e9279e5fedfc4c189a3fd2968ef
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains multiple links designed to lure users into clicking on a 'free Robux generator' or 'game hack'. The primary link, http://netcdn.tw/app/431946152/free-robux-no-verification-2021-game-hack, is identified as a malicious redirector. The document's structure and embedded URLs suggest it is part of a phishing or scam campaign aiming to redirect users to potentially malicious websites or download further malware. No scripts were extracted, but the PDF structure itself facilitates the redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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-no-verification-2021-game-hack In PDF document text
    • https://www.itimefinancial.com/wp-content/uploads/fsqm-files/roblox-jailbreak-hack_GM431946152.pdfIn PDF document text
    • https://www.itimefinancial.com/wp-content/uploads/fsqm-files/coin-master-free-spins-link-today-instagram_GM406889139.pdfIn PDF document text
    • https://www.itimefinancial.com/wp-content/uploads/fsqm-files/free-coin-coin-master_GM406889139.pdfIn PDF document text
    • https://www.itimefinancial.com/wp-content/uploads/fsqm-files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • https://www.itimefinancial.com/wp-content/uploads/fsqm-files/free-tiktok-likes-no-survey_GM835599320.pdfIn PDF document text
    • https://www.itimefinancial.com/wp-content/uploads/fsqm-files/minecraft-free-unblocked_GM479516143.pdfIn PDF document text
    • https://www.itimefinancial.com/wp-content/uploads/fsqm-files/roblox-hacks-2021_GM431946152.pdfIn PDF document text
    • https://www.itimefinancial.com/wp-content/uploads/fsqm-files/how-to-get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.itimefinancial.com/wp-content/uploads/fsqm-files/minecraft-free-download-ios_GM479516143.pdfIn PDF document text
    • https://www.itimefinancial.com/wp-content/uploads/fsqm-files/free-robux-hacker-us_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_off00002bb2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2BB2 21984 bytes
SHA-256: f387366b9d090838d95ab8e14c4c0152495c4679b9fcdebf0655af1d9737ed7e
font_01_sfnt_off00005c3f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C3F 19188 bytes
SHA-256: 1d678ccb09ca7ab390fe1cb16a54ee3a19d850daf1d3792b9105ae8049b7bbf5

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