Malicious PDF — malware analysis report

Static analysis result for SHA-256 d46b61a267bcf0e9…

MALICIOUS

PDF

49.5 KB Created: 2021-06-08 14:09:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 5a76dfe5847899c8f5eeb030ebbf1cf6 SHA-1: ba4b3eaebe5fa030783d52570f16814b56c70b92 SHA-256: d46b61a267bcf0e9f001e3c6c407f257b4325cb4f5b7e9bd5f604e11a9801dad
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 and lures users with a fake download button for a "Roblox Robux Hack Mod". The embedded URLs likely lead to further malicious content or exploit kits. The document's primary purpose is to trick users into clicking these links, potentially leading to malware execution or credential theft.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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/roblox-robux-hack-mod-game-hack In PDF document text
    • https://eleganceautospa.ca/images/roblox-robux-generator-2021_GM431946152.pdfIn PDF document text
    • https://eleganceautospa.ca/images/roblox-gift-card-for-free_GM431946152.pdfIn PDF document text
    • https://eleganceautospa.ca/images/coin-master-hack-2021-free_GM406889139.pdfIn PDF document text
    • https://eleganceautospa.ca/images/minecraft-build-hacks_GM479516143.pdfIn PDF document text
    • https://eleganceautospa.ca/images/coin-master-hack-2021-without-verification_GM406889139.pdfIn PDF document text
    • https://eleganceautospa.ca/images/robux-in_GM431946152.pdfIn PDF document text
    • https://eleganceautospa.ca/images/hey-google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • https://eleganceautospa.ca/images/coin-master-hack-tool-download_GM406889139.pdfIn PDF document text
    • https://eleganceautospa.ca/images/how-to-hack-peoples-roblox-accounts_GM431946152.pdfIn PDF document text
    • https://eleganceautospa.ca/images/haktuts-coin-master-today_GM406889139.pdfIn PDF document text
    • https://eleganceautospa.ca/images/free-robux-hacker-us_GM431946152.pdfIn PDF document text
    • https://eleganceautospa.ca/images/how-to-get-free-golden-card-in-coin-master_GM406889139.pdfIn PDF document text
    • https://eleganceautospa.ca/images/coin-master-hack-app_GM406889139.pdfIn PDF document text
    • https://eleganceautospa.ca/images/minecraft-windows-10-hacks_GM479516143.pdfIn PDF document text
    • https://eleganceautospa.ca/images/roblox-hack-download-pc_GM431946152.pdfIn PDF document text
    • https://eleganceautospa.ca/images/ways-to-get-robux_GM431946152.pdfIn PDF document text
    • https://eleganceautospa.ca/images/can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • https://eleganceautospa.ca/images/hack-coin-master-app-ios_GM406889139.pdfIn PDF document text
    • https://eleganceautospa.ca/images/free-coins-for-flip-master_GM406889139.pdfIn PDF document text
    • https://eleganceautospa.ca/images/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • http://wolfzscriptsIn 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_off00005232.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5232 28828 bytes
SHA-256: e934cf3eaba2f8e277a62841af00e7ce8974b3c30ff0177e6b4b77001ce08792
stream_006_off00009dac.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x9DAC 18692 bytes
SHA-256: ccd9f8643858608e0c49bd611d30201c10cdd9c9981b2b69e5226a7084b56a44
font_01_sfnt_off000093fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x93FB 2832 bytes
SHA-256: 77ae1c4cffa647a8fd533dfa4102e94364989f9e80b9cd131876e9d1005899a2

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