Malicious PDF — malware analysis report

Static analysis result for SHA-256 59f82a5544883792…

MALICIOUS

PDF

35.8 KB Created: 2021-06-19 17:56:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c088efa560cbab3505b252d887b1dbaf SHA-1: 30e925bfcf6bf200c221390662a0c1230e05c1cb SHA-256: 59f82a55448837925c97d158ff8941a257bce57f391362df9964818001be93f3
160 Risk Score

Malware Insights

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

This PDF document contains multiple links to known malicious redirectors, masquerading as game hacks and cheat scripts. The primary link, http://netcdn.co/app/431946152/roblox-cheat-script-autofarm-super-power-training-simulator-game-hack, is identified as a malicious redirector. The document's content and embedded links strongly suggest a lure to download potentially unwanted or malicious software. No scripts were extracted, but the PDF structure and embedded URLs indicate a malicious intent to redirect users to harmful content.

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/roblox-cheat-script-autofarm-super-power-training-simulator-game-hack In PDF document text
    • https://de-licht.com/image/data/files/how-to-get-minecraft-bedrock-edition-for-free_GM479516143.pdfIn PDF document text
    • https://de-licht.com/image/data/files/free-2021-robux_GM431946152.pdfIn PDF document text
    • https://de-licht.com/image/data/files/minecraft-windows-10-edition-hacked-client_GM479516143.pdfIn PDF document text
    • https://de-licht.com/image/data/files/minecraft-free-download-mac-full-version_GM479516143.pdfIn PDF document text
    • https://de-licht.com/image/data/files/roblox-hack-2021_GM431946152.pdfIn PDF document text
    • https://de-licht.com/image/data/files/coin-master-hack-tool-india_GM406889139.pdfIn PDF document text
    • https://de-licht.com/image/data/files/roblox-pics_GM431946152.pdfIn PDF document text
    • https://de-licht.com/image/data/files/coin-master-hack-without-verification-2021_GM406889139.pdfIn PDF document text
    • https://de-licht.com/image/data/files/rewards-roblox_GM431946152.pdfIn PDF document text
    • https://de-licht.com/image/data/files/free-robux-no-verification-no-survey_GM431946152.pdfIn PDF document text
    • https://de-licht.com/image/data/files/how-to-get-a-free-item-on-roblox_GM431946152.pdfIn PDF document text
    • https://de-licht.com/image/data/files/master-coin-hack-mod_GM406889139.pdfIn PDF document text
    • https://de-licht.com/image/data/files/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://de-licht.com/image/data/files/free-draw-roblox_GM431946152.pdfIn PDF document text
    • https://de-licht.com/image/data/files/how-to-get-free-robux-for-free_GM431946152.pdfIn PDF document text
    • https://de-licht.com/image/data/files/robux-free-promo-codes_GM431946152.pdfIn PDF document text
    • https://de-licht.com/image/data/files/roblox-avatar-the-last-airbender-level-hack_GM431946152.pdfIn PDF document text
    • https://de-licht.com/image/data/files/free-spins-on-coin-master-without-human-verification_GM406889139.pdfIn PDF document text
    • https://de-licht.com/image/data/files/coin-master-mod_GM406889139.pdfIn PDF document text
    • https://de-licht.com/image/data/files/how-to-get-minecraft-windows-10-for-free_GM479516143.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_off00003226.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3226 22880 bytes
SHA-256: feb0ded5cfadf9597e84bb6596d9c35f76c1e212ad16151975b540f82790dc9a
font_01_sfnt_off00006504.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6504 19768 bytes
SHA-256: 9a23d711f6fe5eeaade3086c3e730e4a45925589edd828ee407b7990003e88a4