PDF static analysis report

Static analysis result for SHA-256 b36e3bcb332789e1…

SUSPICIOUS

PDF

42.9 KB Created: 2021-05-17 00:49:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: f07435007fc74ee5eac798c06c479703 SHA-1: 6722333059ff4031b5f8c7d653df8bd47c16c048 SHA-256: b36e3bcb332789e1e8f2859a777a9afbb0547b3103ad27f86670e777381c8a51
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a prominent call-to-action in its body text, suggesting a lure for users to download a file. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs further supports a suspicious nature. While no scripts were explicitly extracted, the document's structure and content indicate it's designed to facilitate a download, likely leading to a secondary 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/406889139/free-coin-master-spins-link-download-game-hack PDF link annotation
    • http://aessentia.com/images/robloxheroxyz-free-robux_GM431946152.pdfIn PDF document text
    • http://aessentia.com/images/how-to-get-free-robux-with-no-verification_GM431946152.pdfIn PDF document text
    • http://aessentia.com/images/totally-free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • http://aessentia.com/images/free-robux-codes-no-verification_GM431946152.pdfIn PDF document text
    • http://aessentia.com/images/synapse-roblox-free-download_GM431946152.pdfIn PDF document text
    • http://aessentia.com/images/how-do-you-get-free-roblox_GM431946152.pdfIn PDF document text
    • http://aessentia.com/images/coin-master-free-spins-8-14-2021_GM406889139.pdfIn PDF document text
    • http://aessentia.com/images/kuso-icu-roblox-hack_GM431946152.pdfIn PDF document text
    • http://aessentia.com/images/play-coin-master_GM406889139.pdfIn PDF document text
    • http://aessentia.com/images/minecraft-xbox-360-free_GM479516143.pdfIn PDF document text
    • http://aessentia.com/images/vip-roblox-free_GM431946152.pdfIn PDF document text
    • http://aessentia.com/images/free-robux-human-verification_GM431946152.pdfIn PDF document text
    • http://aessentia.com/images/coin-master-free-spins-cheat_GM406889139.pdfIn PDF document text
    • http://aessentia.com/images/how-do-you-hack-minecraft_GM479516143.pdfIn PDF document text
    • http://aessentia.com/images/coin-master-free-spins-and-coins-group_GM406889139.pdfIn PDF document text
    • http://aessentia.com/images/robux-best_GM431946152.pdfIn PDF document text
    • http://aessentia.com/images/how-to-earn-free-robux_GM431946152.pdfIn PDF document text
    • http://aessentia.com/images/free-spin-codes-coin-master_GM406889139.pdfIn PDF document text
    • http://aessentia.com/images/how-to-get-free-robux-on-iphone_GM431946152.pdfIn PDF document text
    • http://aessentia.com/images/how-to-win-robux_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_003_off000049b9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49B9 25916 bytes
SHA-256: 642bd9c264677ba93aff81fc2380c8eb0866896b718c8d5d1dbd8c9a38b0d62c
font_01_sfnt_off00008471.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8471 18636 bytes
SHA-256: 7fadf64df0fcdc2757cca0081449a6e90bc1aeec93a9c1019e45f02cf84575cc

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