PDF static analysis report

Static analysis result for SHA-256 cdf4c7a8fc17a622…

SUSPICIOUS

PDF

34.7 KB Created: 2021-07-19 21:31:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: c473c0f311d4789c9ecded4603c6c738 SHA-1: e884ba2f39323b484e7b409a2e0506531d6db89a SHA-256: cdf4c7a8fc17a6228cf73bea790052001c964fa8b502b4a049c68a03a946fc1b
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 related to game hacks and free in-game currency, strongly suggesting a lure for phishing or malware distribution. The ML classifier also flagged this PDF as malicious with high confidence. The embedded links likely lead to malicious sites designed to exploit user interest in popular games.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9962

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 http://netcdn.tw/app/406889139/coin-master-free-spins-link-today-instagram-game-hack PDF link annotation
    • http://ristorantimaculan.it/images/minecraft-realms-free-codes_GM479516143.pdfIn PDF document text
    • http://ristorantimaculan.it/images/free-robux-no-verification-2021-ios_GM431946152.pdfIn PDF document text
    • http://ristorantimaculan.it/images/roblox-hack-game_GM431946152.pdfIn PDF document text
    • http://ristorantimaculan.it/images/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://ristorantimaculan.it/images/how-to-get-free-robux-no-scam_GM431946152.pdfIn PDF document text
    • http://ristorantimaculan.it/images/how-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://ristorantimaculan.it/images/minecraft-for-free-on-phone_GM479516143.pdfIn PDF document text
    • http://ristorantimaculan.it/images/minecraft-windows-10-free-code_GM479516143.pdfIn PDF document text
    • http://ristorantimaculan.it/images/how-to-get-hacks-on-roblox_GM431946152.pdfIn PDF document text
    • http://ristorantimaculan.it/images/minecraft-free-download-android_GM479516143.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_002_off00002dd0.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2DD0 23652 bytes
SHA-256: 977071f83c034b7c4817520428a52f7c3c37ef973690cd9d6b50a79becb9ec65
font_01_sfnt_off00006397.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6397 18960 bytes
SHA-256: c3cae131f36bdfe9c813bd150295f39ca0ceeabf3546a2df254cc03f93d9c6e3

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