Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d1725acf0ee4bef…

MALICIOUS

PDF

43.2 KB Created: 2021-05-11 09:05:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: e2e7a70d4af53b2e890dd8ab1bbd87f5 SHA-1: ad774356fcd02d02326bfd3a7d4c5be90a81393c SHA-256: 1d1725acf0ee4befba40d480fb553f4696b3bbe3c5eab6a67abcf2ba5862d97b
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and text that lure the user into downloading a file by promising free items for the game Roblox. The ML classifier strongly indicates maliciousness, and the presence of external URIs suggests a download attempt. No scripts were extracted, but the document's structure and content point to a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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-things-on-roblox-game-hack
    • http://bodyguardsecurityservices.com.au/images/coin-master-free-spin-today-2021_GM406889139.pdf
    • http://bodyguardsecurityservices.com.au/images/haktuts-coin-master_GM406889139.pdf
    • http://bodyguardsecurityservices.com.au/images/roblox-hacked-version_GM431946152.pdf
    • http://bodyguardsecurityservices.com.au/images/coin-master-hack-spin-generator_GM406889139.pdf
    • http://bodyguardsecurityservices.com.au/images/how-to-hack-roblox-2021_GM431946152.pdf
    • http://bodyguardsecurityservices.com.au/images/hack-coin-master-dzooka_GM406889139.pdf
    • http://bodyguardsecurityservices.com.au/images/download-hacked-games-coin-master_GM406889139.pdf
    • http://bodyguardsecurityservices.com.au/images/roblox-free-items_GM431946152.pdf
    • http://bodyguardsecurityservices.com.au/images/free-robux-hack-2021_GM431946152.pdf
    • http://bodyguardsecurityservices.com.au/images/how-to-get-free-robux-for-free_GM431946152.pdf
    • http://bodyguardsecurityservices.com.au/images/robux-no-human-verification-2021_GM431946152.pdf
    • http://bodyguardsecurityservices.com.au/images/roblox-earn_GM431946152.pdf
    • http://bodyguardsecurityservices.com.au/images/minecraft-anarchy-server-no-hacks_GM479516143.pdf
    • http://bodyguardsecurityservices.com.au/images/get-more-free-spins-on-coin-master_GM406889139.pdf
    • http://bodyguardsecurityservices.com.au/images/free-spins-coin-master-blogspot_GM406889139.pdf
    • http://bodyguardsecurityservices.com.au/images/coin-master-hack-xyz-2021_GM406889139.pdf
    • http://bodyguardsecurityservices.com.au/images/how-to-get-free-coins-on-coin-master-iphone_GM406889139.pdf
    • http://bodyguardsecurityservices.com.au/images/coin-master-free-spins-link-today-facebook_GM406889139.pdf
    • http://bodyguardsecurityservices.com.au/images/roblox-robux-generator-no-human-verification_GM431946152.pdf
    • http://bodyguardsecurityservices.com.au/images/como-hackear-coin-master-ios_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004aa9.bin
1145bc0a31f2a991b7ff81e6df69188ec4a6acd683ccaa5b53a46c90a6386dab		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AA9 26004 bytes
font_01_sfnt_off000085d8.bin
affed9fa13778d5aa7ca231345c2b6484ae049011ad5c77e497fdf115074fdee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x85D8 18524 bytes

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