PDF malware analysis — malicious · 80453e217e3bcfae

MALICIOUS

PDF

41.9 KB Created: 2021-05-15 04:24:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 4442eb56ed1e5d3a6a14093c98c472e2 SHA-1: e292c81e89b7b64973d70c065a7d1bd0179c9139 SHA-256: 80453e217e3bcfaeae3ee6306743b53aa22458fe1ce1e96ddbd7fc5aa3d38e13

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous external links, identified as a link farm, pointing to other PDF files. The document body and extracted URLs suggest a lure related to game hacks and free items, likely a scam or a method to distribute further malware. The ML classifier strongly indicated maliciousness, and the presence of external URIs supports this assessment.

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/406889139/how-to-make-my-own-coin-master-cards-hack-game-hack
- http://optiquedelavaunage.com/images/i-robux_GM431946152.pdf
- http://optiquedelavaunage.com/images/best-free-spins-link-coin-master_GM406889139.pdf
- http://optiquedelavaunage.com/images/coin-master-hack-apk-free-download_GM406889139.pdf
- http://optiquedelavaunage.com/images/coin-master-hack-spin-ios_GM406889139.pdf
- http://optiquedelavaunage.com/images/coin-master-free-spins-2021-today_GM406889139.pdf
- http://optiquedelavaunage.com/images/get-2021-free-spins-on-coin-master_GM406889139.pdf
- http://optiquedelavaunage.com/images/how-to-earn-robux-by-playing-games_GM431946152.pdf
- http://optiquedelavaunage.com/images/minecraft-java-edition-download-free_GM479516143.pdf
- http://optiquedelavaunage.com/images/robux-generator-no-human-verification-or-survey_GM431946152.pdf
- http://optiquedelavaunage.com/images/coin-master-free-stuff_GM406889139.pdf
- http://optiquedelavaunage.com/images/get-free-spins-coin-master-link_GM406889139.pdf
- http://optiquedelavaunage.com/images/robux-hack-tools_GM431946152.pdf
- http://optiquedelavaunage.com/images/claim-free-robux-button_GM431946152.pdf
- http://optiquedelavaunage.com/images/free-roblox-accounts-that-work_GM431946152.pdf
- http://optiquedelavaunage.com/images/rbxfree-com-free-robux_GM431946152.pdf
- http://optiquedelavaunage.com/images/roblox-arsenal-hack_GM431946152.pdf
- http://optiquedelavaunage.com/images/www-roblox-com-free-robux_GM431946152.pdf
- http://optiquedelavaunage.com/images/free-spins-for-coin-master-game_GM406889139.pdf
- http://optiquedelavaunage.com/images/bloxpage-free-robux_GM431946152.pdf
- http://optiquedelavaunage.com/images/best-free-robux-sites_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off0000486e.bin` `cdb6fb5bdd1667b01ec35d7465ed6ae12a55b564e9d399641976a4b13f6c6681`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x486E	25276 bytes
`font_01_sfnt_off00008169.bin` `5f1949bcf536834432a639d31c768e6b089f6f06eac6180dd684d59a3237e231`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8169	18232 bytes

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