PDF static analysis report

Static analysis result for SHA-256 4be51f5421baf249…

SUSPICIOUS

PDF

44.5 KB Created: 2021-06-03 09:40:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: f05d20324b39a0e6a7640375370d6be2 SHA-1: 16254a0b0fe6f7e9e58c206fa6cf8a16db2ca468 SHA-256: 4be51f5421baf24928fd6c0f0771447f7c3bf94a9ab0e2b5d3fb8a6216117e51
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a clear call to action and an embedded URL pointing to a resource offering 'free spins' for a game, which is a common lure for phishing or malware distribution. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the lure suggest an attempt to trick the user into downloading a second-stage payload.

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.online/app/406889139/get-free-spins-coin-master-october-2021-game-hack PDF link annotation
    • https://emindonesia.com/assets/CKImages/files/free-robux-no-verification-no-download_GM431946152.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/how-to-hack-minecraft-pe_GM479516143.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/free-coin-master-spins-blog_GM406889139.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/coin-master-hacks-xyz_GM406889139.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/optifine-minecraft-pe_GM479516143.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/heroes-online-roblox_GM431946152.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/roblox-script-hacks_GM431946152.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/roblox-generator_GM431946152.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/free-spin-coin-master-instagram_GM406889139.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/cool-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/how-do-i-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/minecraft-bedrock-hacks_GM479516143.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/how-to-get-free-admin-in-roblox_GM431946152.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/free-robux-com_GM431946152.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/coin-master-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/free-robux-gift-card-generator_GM431946152.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/how-to-get-free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/how-can-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://emindonesia.com/assets/CKImages/files/coin-master-free-coins-and-spins_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_off00004e21.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4E21 26392 bytes
SHA-256: e5116283d73f9e65a7777d7e4142667726102b3044e1375f48dda106327575ac
font_01_sfnt_off00008ac4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8AC4 18444 bytes
SHA-256: b16824f866cbb0b2e3293a2fc4d3ea97589f6ec0209b9c1fbefadf3e0951670f

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