Malicious PDF — malware analysis report

Static analysis result for SHA-256 de4e01ff76c253cb…

MALICIOUS

PDF

43.9 KB Created: 2021-05-15 09:13:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: acbf5eb49196ef6088d0b70d4f04a263 SHA-1: abf68bcd852b3f8d7cc168ea9d029a6d166854c2 SHA-256: de4e01ff76c253cbe714659685518a8992116f2a46b1c3a4bb7b54231f2306bd
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, many of which are disguised as downloadable PDFs related to game hacking. The document body and embedded links suggest a lure to trick users into downloading further malicious content, likely to compromise their accounts or systems. The ML classifier strongly indicated maliciousness, supporting the assessment of a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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/como-hackear-el-juego-coin-master-en-espaol-game-hack PDF link annotation
    • https://www.colditex.com/images/safe-hack-for-coin-master-android_GM406889139.pdfIn PDF document text
    • https://www.colditex.com/images/coin-master-free-coins-link_GM406889139.pdfIn PDF document text
    • https://www.colditex.com/images/how-to-hack-people-in-roblox_GM431946152.pdfIn PDF document text
    • https://www.colditex.com/images/hack-coin-master-download-ios_GM406889139.pdfIn PDF document text
    • https://www.colditex.com/images/how-to-get-free-robux-not-a-scam_GM431946152.pdfIn PDF document text
    • https://www.colditex.com/images/free-robux-easy-and-fast_GM431946152.pdfIn PDF document text
    • https://www.colditex.com/images/robloxbux-us-generator_GM431946152.pdfIn PDF document text
    • https://www.colditex.com/images/coin-master-hack-tool-v1-9_GM406889139.pdfIn PDF document text
    • https://www.colditex.com/images/how-do-u-hack-roblox_GM431946152.pdfIn PDF document text
    • https://www.colditex.com/images/how-to-host-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • https://www.colditex.com/images/coin-master-hacks-no-human-verification_GM406889139.pdfIn PDF document text
    • https://www.colditex.com/images/coin-master-time-hack-2021_GM406889139.pdfIn PDF document text
    • https://www.colditex.com/images/free-script-executor-roblox_GM431946152.pdfIn PDF document text
    • https://www.colditex.com/images/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
    • https://www.colditex.com/images/coin-master-hack-version-download-2021-android_GM406889139.pdfIn PDF document text
    • https://www.colditex.com/images/coin-master-free-spins-2021-blogspot_GM406889139.pdfIn PDF document text
    • https://www.colditex.com/images/how-to-hack-coin-master-in-pc_GM406889139.pdfIn PDF document text
    • https://www.colditex.com/images/2021-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • https://www.colditex.com/images/daily-free-spins-and-coins-coin-master_GM406889139.pdfIn PDF document text
    • https://www.colditex.com/images/free-spins-coin-master-daily_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004df9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4DF9 25368 bytes
SHA-256: b2b43d2db7ba477a9ee2cf68710ecd851aba439a216d9a0f5dbc96a3312ccff1
font_01_sfnt_off000087db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87DB 18820 bytes
SHA-256: 9083091ab5034e7f8b54d6ac024e3b26c7561895c47ec5e954bca62b6dbdf25d

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