PDF static analysis report

Static analysis result for SHA-256 be928208c494bcb1…

SUSPICIOUS

PDF

40.9 KB Created: 2021-05-20 23:47:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: bf20f5caffef8e64ff4cd14b15b96997 SHA-1: 85baf6392213279828e5616708ef32134bfcd787 SHA-256: be928208c494bcb1cf71a6e0486fabaf99f25cbb3e80142bee79c93ec4bfdc8f
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains lures for free virtual currency and game hacks, directing users to external URLs. The presence of an external URI and embedded URLs, combined with a machine learning classifier flagging the PDF as malicious, indicates a phishing or social engineering attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it is designed to lead the user to download further content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7445

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-promo-codes-for-robux-game-hack PDF link annotation
    • http://fobh.net/userfiles/files/how-to-hack-coin-master-spin-ios_GM406889139.pdfIn PDF document text
    • http://fobh.net/userfiles/files/free-minecraft-hosting_GM479516143.pdfIn PDF document text
    • http://fobh.net/userfiles/files/free-robux-codes_GM431946152.pdfIn PDF document text
    • http://fobh.net/userfiles/files/coin-master-get-free-cards_GM406889139.pdfIn PDF document text
    • http://fobh.net/userfiles/files/free-robux-images_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003666.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3666 26364 bytes
SHA-256: 11b388cd1acc0a330c354de8e77059bcad7cd5c9d93fb2ecd9e86ab8ed825ace
font_01_sfnt_off00007380.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7380 2940 bytes
SHA-256: eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a
font_02_sfnt_off00007d8f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D8F 18676 bytes
SHA-256: dfd02273a8a318689417f97410c8e56666a417a259e3d1ed1911a13d5d5a3d3c

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