PDF static analysis report

Static analysis result for SHA-256 b66f6b1784e25905…

SUSPICIOUS

PDF

44.6 KB Created: 2021-06-04 01:46:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: dc5243d77704a06f55b3d17a3e6831db SHA-1: 4ec0f30fd87005b564f6479c180145bd3c9602f8 SHA-256: b66f6b1784e2590521a08dc749f56fe7ea085f0ebce0b077d6bf921dded506d2
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a prominent external URI, all pointing to sites offering game-related cheats and currency. The ML classifier strongly flagged this PDF as malicious, and the presence of these links suggests an attempt to trick the user into downloading a secondary payload. No scripts were extracted from this sample, but the overall structure and content indicate a phishing or malware distribution attempt.

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.online/app/406889139/coin-master-daily-free-spins-link-download-game-hack PDF link annotation
    • http://lib.akpnbahtera.ac.id/repository/free-robux-with-no-human-verification_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/how-to-get-free-followers-on-roblox_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/minecraft-windows-10-hack-client-2021_GM479516143.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/pubg-30-uc-free_GM1330123889.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/free-robux-real-working_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/pubg-uc-cheap_GM1330123889.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/coin-master-15-free-spin-link-today_GM406889139.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/is-roblox-free-on-xbox_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/can-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/free-coins-and-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/free-card-collection-in-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/roblox-com-r_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/pubg-uc-no-verification_GM1330123889.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/robux-game_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/free-800-robux_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/rbx-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/free-robux-websites-2021_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/how-to-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/rbxfree-com-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/how-to-get-roblox-gift-cards-for-free-2021_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004eaa.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4EAA 25856 bytes
SHA-256: 8ef566d7942550f6d4eb49d4ba71524c980574344bd1d9a508f8a7d623b77dd4
font_01_sfnt_off000089e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89E3 18816 bytes
SHA-256: 9c26c181c4cdabeaa0059472f140f722c9ebd74ce71ebd91f88ed40d9942d1a6

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