PDF static analysis report

Static analysis result for SHA-256 7aef51c1edaa98c5…

SUSPICIOUS

PDF

34.6 KB Created: 2021-06-29 15:42:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: e2fe5294b1379d116538b36d45b7575c SHA-1: 4984e8c3b2f7d80131cbba78a422d0c5609cc9ba SHA-256: 7aef51c1edaa98c5daa14244b0cfe1970ec30e71f08782239b994d7a58154ad9
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are hosted on domains related to game hacks and cheats. The document body, though partially corrupted, includes phrases like 'Free Shirts On Roblox 2021' and references to downloading hacks, indicating a lure for potentially malicious content. The ML classifier strongly flagged this PDF as malicious, suggesting it likely serves as a dropper or phishing document.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/free-shirts-on-roblox-2021-game-hack PDF link annotation
    • http://bepquannhu.vn/upload/editor/files/how-to-get-free-robux-in-roblox-games_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/flip-master-coins-hack_GM406889139.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/free-roblox-svg_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/my-minecraft-account-was-hacked_GM479516143.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/gladiator-simulator-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/coin-master-hack-tool-without-human-verification_GM406889139.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/free-robux-gift-card_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/free-roblox-hacks-pasldfopasfksofmnj_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/coin-master-hack-tool-for-pc_GM406889139.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/free-item-codes-murder-mystery-2-roblox_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/roblox-speeed-hack_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/coun-master_GM406889139.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/hacks-for-roblox-prison-life_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/be-my-bad-break-free-mashup-roblox-id_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/apk-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/free-robux-tix-and-bc_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/tower-of-hell-roblox-hack-mobile_GM431946152.pdfIn PDF document text
    • http://bepquannhu.vn/upload/editor/files/minecraft-toys-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_off00002fbd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FBD 22208 bytes
SHA-256: 0c43c66a7a70682febce8470c37284158be606c8b716d4851bca81278e68e7a2
font_01_sfnt_off00006117.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6117 19444 bytes
SHA-256: 993de9ad9b3b0d8ca915b2c877c750c2438e562f89bac23e26e929ac3ff9cfe2