PDF static analysis report

Static analysis result for SHA-256 ec31a290ad78d25b…

SUSPICIOUS

PDF

41.5 KB Created: 2021-05-13 01:18:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 4f7118ec24ccbacd9ccde53f93db2d4e SHA-1: 1115c9bc152850c4c3c5e16ab44e9260519f2795 SHA-256: ec31a290ad78d25b26a558b6f067221441d7c7dffe8bdc048895b52a9a5a8886
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a heuristic firing for an external URI, all pointing towards a lure for game-related cheats or hacks. The presence of a 'download button' heuristic further supports the intent to trick the user into downloading a payload. The ML classifier also flagged this PDF as malicious with high confidence.

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/406889139/coin-free-spin-game-hack PDF link annotation
    • http://centr-expert.su/images/www-coinmaster-com_GM406889139.pdfIn PDF document text
    • http://centr-expert.su/images/apps-for-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://centr-expert.su/images/robuxhub-net_GM431946152.pdfIn PDF document text
    • http://centr-expert.su/images/mcpe-hack-client_GM479516143.pdfIn PDF document text
    • http://centr-expert.su/images/coin-master-free-spins-daily-link-updated_GM406889139.pdfIn PDF document text
    • http://centr-expert.su/images/free-robux-roblox-promo-codes_GM431946152.pdfIn PDF document text
    • http://centr-expert.su/images/how-do-you-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://centr-expert.su/images/free-robux-mod_GM431946152.pdfIn PDF document text
    • http://centr-expert.su/images/coin-master-game-free-download_GM406889139.pdfIn PDF document text
    • http://centr-expert.su/images/coin-master-guide-to-free-spins-and-rewards_GM406889139.pdfIn PDF document text
    • http://centr-expert.su/images/free-minecraft-account-list_GM479516143.pdfIn PDF document text
    • http://centr-expert.su/images/coin-master-rewards-free-spins_GM406889139.pdfIn PDF document text
    • http://centr-expert.su/images/free-robux-codes-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://centr-expert.su/images/minecraft-hacked-apk_GM479516143.pdfIn PDF document text
    • http://centr-expert.su/images/coin-master-attack-block-hack_GM406889139.pdfIn PDF document text
    • http://centr-expert.su/images/roblox-hacks-for-mac_GM431946152.pdfIn PDF document text
    • http://centr-expert.su/images/roblox-free-executor_GM431946152.pdfIn PDF document text
    • http://centr-expert.su/images/irobux-com-redeem_GM431946152.pdfIn PDF document text
    • http://centr-expert.su/images/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
    • http://centr-expert.su/images/blogspot-free-spins-coin-master_GM406889139.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_003_off00004a7d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A7D 24896 bytes
SHA-256: 2e51427f29df1c3a93cccb735a9b79ab8a8ae040ea4e1bc20fce1930a03bf14e
font_01_sfnt_off00008269.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8269 17552 bytes
SHA-256: 8dab29753a5a72b3c6b7a99730aed283de919e10e0bbccf431f5836ef96af8e0

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