PDF static analysis report

Static analysis result for SHA-256 31376bd7510a55bc…

SUSPICIOUS

PDF

44.9 KB Created: 2021-06-07 19:29:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 781aa1dbddfdcf53f5e0d4b445e49ad0 SHA-1: cd3c38aa9029452d7f06609d324acd7b64831774 SHA-256: 31376bd7510a55bcc6a2040209ca67cc4f847dd6c26c7230386e896a30f67b5c
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains multiple embedded URLs, including one pointing to a game hacking tutorial, suggesting a lure for users interested in cheats or exploits. The presence of a visual download button heuristic further supports the idea that the document is designed to trick users into downloading a file. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of malicious intent.

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.tw/app/431946152/how-to-change-values-on-roblox-with-cheat-engine-game-hack PDF link annotation
    • http://pia2000.net/images/coin-master-hack-version-ios_GM406889139.pdfIn PDF document text
    • http://pia2000.net/images/150-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://pia2000.net/images/coin-master-instagram-free-spins_GM406889139.pdfIn PDF document text
    • http://pia2000.net/images/free-robux-generator-no-human-verification-or-surveys_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/my-roblox-account-was-hacked_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/roblox-hack-com_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/earn-robux-today_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/coin-master-free-soins_GM406889139.pdfIn PDF document text
    • http://pia2000.net/images/roblox-free-robux-com_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/game-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://pia2000.net/images/coin-master-free-spins-link-deutsch-ios_GM406889139.pdfIn PDF document text
    • http://pia2000.net/images/free-printable-roblox-coloring-pages_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/free-account-roblox-with-robux_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/how-to-get-free-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://pia2000.net/images/moonactive-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://pia2000.net/images/blox-supply-free-robux_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/robux-free-2021_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://pia2000.net/images/hack-coin-master-game-download_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_004_off00004c59.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C59 27252 bytes
SHA-256: 688553a89e2387c09aced5dcc8714fca0617071194474c7836d6e03a73c7ca31
font_01_sfnt_off000089d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89D4 19324 bytes
SHA-256: f0738bd5781f9802973d074091f2bf4da3f410dec3c5443e85087bb0fc721dca

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