PDF static analysis report

Static analysis result for SHA-256 e8bf40f7bfb1c497…

SUSPICIOUS

PDF

42.1 KB Created: 2021-05-11 01:30:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 6e726c6486cbb0028222f1b424bf529d SHA-1: bebe062552aee4b1c353680ff15c81cc0487fee4 SHA-256: e8bf40f7bfb1c497268a88732c51b1fa669175232d1f83571ae7f8a1679e2a82
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a prominent external URI pointing to a download site for game-related cheats and hacks. The ML classifier strongly flagged this PDF as malicious, indicating it likely serves as a lure to download a secondary payload. The presence of multiple game-related URLs suggests a social engineering tactic to entice users into clicking malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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.xyz/app/479516143/minecraft-xbox-one-code-free-game-hack PDF link annotation
    • http://bibliodetki.ru/images/roblox-hacks-and-cheats_GM431946152.pdfIn PDF document text
    • http://bibliodetki.ru/images/80-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://bibliodetki.ru/images/how-to-download-minecraft-for-free-on-windows-10_GM479516143.pdfIn PDF document text
    • http://bibliodetki.ru/images/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • http://bibliodetki.ru/images/minecraft-hacked-client-download_GM479516143.pdfIn PDF document text
    • http://bibliodetki.ru/images/coin-master-instagram-free-spins_GM406889139.pdfIn PDF document text
    • http://bibliodetki.ru/images/free-100-robux_GM431946152.pdfIn PDF document text
    • http://bibliodetki.ru/images/how-to-get-free-robux-without-doing-anything-2021_GM431946152.pdfIn PDF document text
    • http://bibliodetki.ru/images/free-spins-coin-master-2021-app_GM406889139.pdfIn PDF document text
    • http://bibliodetki.ru/images/best-site-for-free-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://bibliodetki.ru/images/get-free-robux-today_GM431946152.pdfIn PDF document text
    • http://bibliodetki.ru/images/coin-master-70-spin-link-2021_GM406889139.pdfIn PDF document text
    • http://bibliodetki.ru/images/free-robux-for-free_GM431946152.pdfIn PDF document text
    • http://bibliodetki.ru/images/free-roblox-accounts-generator_GM431946152.pdfIn PDF document text
    • http://bibliodetki.ru/images/free-roblox-animations_GM431946152.pdfIn PDF document text
    • http://bibliodetki.ru/images/how-to-get-roblox-credit-for-free_GM431946152.pdfIn PDF document text
    • http://bibliodetki.ru/images/free-minecraft-skins-girl_GM479516143.pdfIn PDF document text
    • http://bibliodetki.ru/images/coin-master-free-spin-link-daily_GM406889139.pdfIn PDF document text
    • http://bibliodetki.ru/images/free-links-coin-master_GM406889139.pdfIn PDF document text
    • http://bibliodetki.ru/images/coin-master-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • https://code.giftcards.comIn 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_003_off00004952.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4952 24576 bytes
SHA-256: 5b0f1e91a329c04e84450b0916756b722421bc3ed2bebfae4bbbe528944b16d6
font_01_sfnt_off00008191.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8191 18480 bytes
SHA-256: 32547446bdc1c02af64d5cec1ea24df84aad3939df267a2968463dfca93ea3eb