PDF static analysis report

Static analysis result for SHA-256 4c4d2dbaf5a3de2e…

SUSPICIOUS

PDF

44.8 KB Created: 2021-06-08 22:53:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: cbf7b3d2598d27570bf93aa7f14df134 SHA-1: 8c23a2be6997e81148a8019a8c972ead526eda25 SHA-256: 4c4d2dbaf5a3de2e8bc1de5d99706e2176ca70b0b836145da36cca85016cd718
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains multiple embedded URLs and a prominent external URI pointing to a site offering game hacks, suggesting a phishing or malware distribution attempt. The ML classifier also flagged this PDF as malicious. While no scripts were directly extracted, the presence of embedded URLs and the document's theme indicate an attempt to trick the user into downloading a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 3

  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/how-to-hack-any-game-on-roblox-game-hack PDF link annotation
    • http://www.marambio.com.ar/images/coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • http://www.marambio.com.ar/images/minecraft-bedrock-edition-pc-free_GM479516143.pdfIn PDF document text
    • http://www.marambio.com.ar/images/coin-master-code-for-free-spins_GM406889139.pdfIn PDF document text
    • http://www.marambio.com.ar/images/free-robux-only-1-step_GM431946152.pdfIn PDF document text
    • http://www.marambio.com.ar/images/minecraft-education-free_GM479516143.pdfIn PDF document text
    • http://www.marambio.com.ar/images/free-roblox-characters_GM431946152.pdfIn PDF document text
    • http://www.marambio.com.ar/images/free-tiktok-followers-and-likes_GM835599320.pdfIn PDF document text
    • http://www.marambio.com.ar/images/how-can-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://www.marambio.com.ar/images/apk-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://www.marambio.com.ar/images/minecraft-mods-download-free_GM479516143.pdfIn PDF document text
    • http://www.marambio.com.ar/images/easy-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.marambio.com.ar/images/how-to-hack-roblox-with-dll-njector_GM431946152.pdfIn PDF document text
    • http://www.marambio.com.ar/images/robux-gratuit-no-hack_GM431946152.pdfIn PDF document text
    • http://www.marambio.com.ar/images/is-roblox-hacked_GM431946152.pdfIn PDF document text
    • http://www.marambio.com.ar/images/bloxawards-com-earn-free-robux_GM431946152.pdfIn PDF document text
    • http://www.marambio.com.ar/images/coin-master-free-spins-link-ios_GM406889139.pdfIn PDF document text
    • http://www.marambio.com.ar/images/free-robux-websites-no-human-verification_GM431946152.pdfIn PDF document text
    • http://www.marambio.com.ar/images/roblox-pink-free-robux_GM431946152.pdfIn PDF document text
    • http://www.marambio.com.ar/images/free-tiktok-fans-no-human-verification-or-downloading-apps_GM835599320.pdfIn PDF document text
    • http://www.marambio.com.ar/images/robux-hack-no-human-verification_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
stream_004_off000050ee.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50EE 25268 bytes
SHA-256: 656158ffffc0046ee0f1132fb55c95a087a7ff5600e15342d2f18f6ae6972ba8
font_01_sfnt_off00008abe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8ABE 18784 bytes
SHA-256: 179925d485981255e126557eaa47f975860445e0ee17eae2f045749949e49e32