Malicious PDF — malware analysis report

Static analysis result for SHA-256 208467c64698dfdd…

MALICIOUS

PDF

51.1 KB Created: 2021-06-10 23:41:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 39e28f6284c1ae00e86155a8df2283eb SHA-1: 42cb27a3bc07f3e92e7318147a3e0b675410f31f SHA-256: 208467c64698dfdd08b2cbf7c4fcba4a0a2f37bc672c63bf5e02688912674273
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a lure related to free game items and accounts, directing users to a known malicious redirector. The embedded URL, https://netcdn.tw/app/431946152/free-roblox-locked-accounts-with-obc-2021-game-hack, is associated with malicious redirector infrastructure. The document's content and heuristics indicate an attempt to trick users into visiting potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9724

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.tw/app/431946152/free-roblox-locked-accounts-with-obc-2021-game-hack In PDF document text
    • http://jdlrelocation.com/images/free-robux-gift-card-codes_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/how-do-you-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/how-to-get-free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/free-roblox-accounts-with-robux-that-work-not-banned-2021_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/roblox-a_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/coin-master-pet-food-free_GM406889139.pdfIn PDF document text
    • http://jdlrelocation.com/images/roblox-free-robux_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/coin-master-level-4_GM406889139.pdfIn PDF document text
    • http://jdlrelocation.com/images/free-robux-hack-no-email_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/roblox-free-robux-pins_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/how-to-hack-and-get-free-robux_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/boku-no-roblox-hack_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/minecraft-com-free_GM479516143.pdfIn PDF document text
    • http://jdlrelocation.com/images/commands-for-free-admin-roblox_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/roblox-tracker_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/how-to-use-scripts-in-roblox-hack_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/roblox-exploit-download_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/minecraft-net-free_GM479516143.pdfIn PDF document text
    • http://jdlrelocation.com/images/how-to-install-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://jdlrelocation.com/images/free-roblox-generatr-accounts_GM431946152.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
stream_004_off00005088.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5088 30584 bytes
SHA-256: e623ed732ce9641855da12b9d869ff5d63502e04cfca03dd8343d8f2b74d84a0
font_01_sfnt_off000094ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x94CA 5696 bytes
SHA-256: 450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139
font_02_sfnt_off0000a1dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA1DC 19420 bytes
SHA-256: 6769ef6574a6a519e01dc4b95c57589204bef7ba233a4ad9c42d54abc0a06973