PDF static analysis report

Static analysis result for SHA-256 343bed1b20d95213…

SUSPICIOUS

PDF

42.9 KB Created: 2021-05-16 14:32:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 5f3d9a0803e37b2a1e7cf2fa61e4b58c SHA-1: 0d90d0374cf924a6f70d05909ec4feddbe820579 SHA-256: 343bed1b20d952136600cff4aefef758ea94a3cada200ace566154e54587ae0c
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 sites offering free game-related items, which is a common lure for malicious downloads. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of malicious intent. Although no scripts were explicitly extracted, the presence of embedded URLs and the document's content suggest it is designed to trick users into downloading a second-stage payload.

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/431946152/free-roblox-gift-card-codes-game-hack PDF link annotation
    • http://serviio.org/images/free-robux-codes-no-human-verification_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/free-robux-hack_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/claim-robux_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/robux-win_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/how-to-get-free-robux-games_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/free-robux-with-no-verification_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/roblox-robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/how-to-get-free-spins-and-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://serviio.org/images/coin-master-free-food_GM406889139.pdfIn PDF document text
    • http://serviio.org/images/free-spins-coin-master-app_GM406889139.pdfIn PDF document text
    • http://serviio.org/images/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://serviio.org/images/apps-for-free-robux_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/free-coin-master-gifts_GM406889139.pdfIn PDF document text
    • http://serviio.org/images/free-premium-roblox_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/rbxdemon_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/are-minecraft-realms-free_GM479516143.pdfIn PDF document text
    • http://serviio.org/images/how-to-get-minecoins-in-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://serviio.org/images/win-free-robux_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/how-to-hack-someones-account-on-roblox_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/free-spins-and-coins-for-coin-master-game_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
font_00_sfnt_off000049a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x49A3 25320 bytes
SHA-256: 736c7eb874d9ac283dac4c8ab588a9d08517501e0de9578388ab8fda78a451f6
font_01_sfnt_off00008477.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8477 18572 bytes
SHA-256: ffbc77db5113ad0b7fd344ce16d81dafdbf0c64cd7df39142b32362cc1b263a9

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