PDF malware analysis — malicious · 4742a26248aaf317

MALICIOUS

PDF

42.6 KB Created: 2021-05-12 11:06:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 4dfafe0259a6d423497c953a04e6b368 SHA-1: 81c4dc25864c842148aaa0667305abcf52e33256 SHA-256: 4742a26248aaf3174a8205ba30ebab7b58cdfc0c18fc03eb8a82777f06842445

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded links that form a link farm, directing users to pages offering 'free Robux' or 'Coin Master' hacks. The ML classifier strongly indicated maliciousness, and the presence of a 'download button' heuristic suggests a deceptive call to action. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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/431946152/huskybucks.com-free-robux-game-hack
- https://elearning.min2kotamalang.education/__statics/gudangsoal/files/roblox-free-items_GM431946152.pdf
- https://elearning.min2kotamalang.education/__statics/gudangsoal/files/how-to-get-free-pet-food-on-coin-master_GM406889139.pdf
- https://elearning.min2kotamalang.education/__statics/gudangsoal/files/coin-master-free-spins-link-hack_GM406889139.pdf
- https://elearning.min2kotamalang.education/__statics/gudangsoal/files/free-robux-codes-no-verification-2021_GM431946152.pdf
- https://elearning.min2kotamalang.education/__statics/gudangsoal/files/how-to-hack-roblox-jailbreak_GM431946152.pdf
- https://elearning.min2kotamalang.education/__statics/gudangsoal/files/free-pet-snacks-coin-master_GM406889139.pdf
- https://elearning.min2kotamalang.education/__statics/gudangsoal/files/free-coin-master-gifts_GM406889139.pdf
- https://elearning.min2kotamalang.education/__statics/gudangsoal/files/coin-master-hack-without-human-verification-2021_GM406889139.pdf
- https://elearning.min2kotamalang.education/__statics/gudangsoal/files/60-free-spins-coin-master_GM406889139.pdf
- https://elearning.min2kotamalang.education/__statics/gudangsoal/files/how-to-download-minecraft-for-free-on-mac_GM479516143.pdf
- https://elearning.min2kotamalang.education/__statics/gudangsoal/files/roblox-avatar-maker-free_GM431946152.pdf
- https://elearning.min2kotamalang.education/__statics/gudangsoal/files/how-to-get-free-robux-without-verification_GM431946152.pdf
- https://elearning.min2kotamalang.education/__statics/gudangsoal/files/free-coins-and-spins-in-coin-master_GM406889139.pdf
- https://elearning.min2kotamalang.education/__statics/gudangsoal/files/gold-cards-coin-master-hack_GM406889139.pdf
- https://elearning.min2kotamalang.education/__statics/gudangsoal/files/free-robux-obby_GM431946152.pdf
- https://elearning.min2kotamalang.education/__statics/gudangsoal/files/coin-master-golden-cards-hack_GM406889139.pdf
- https://elearning.min2kotamalang.education/__statics/gudangsoal/files/microsoft-bing-free-robux_GM431946152.pdf
- https://elearning.min2kotamalang.education/__statics/gudangsoal/files/legit-coin-master-hack-without-verification_GM406889139.pdf
- https://elearning.min2kotamalang.education/__statics/gudangsoal/files/minecraft-free-minecoins_GM479516143.pdf
- https://elearning.min2kotamalang.education/__statics/gudangsoal/files/free-robux-picture_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00004d46.bin` `cf3bdeb4b97503e958e91e9c811cba3b94b6d5cdb57cb2ef39e27dcf538bbc6d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4D46	24088 bytes
`font_01_sfnt_off00008320.bin` `6988f73f4b0746331af176c61d8a6d12afd54d9d4021c1ba8a7576897a1c52a2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8320	18688 bytes

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