PDF malware analysis — malicious · ee60e71bc1389bd4

MALICIOUS

PDF

41.2 KB Created: 2021-05-14 11:02:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 492976aad152caa47ea1a8e644763ff8 SHA-1: c2657b8b1313d587a4a30be2172a6673dc54cc7b SHA-256: ee60e71bc1389bd48d7bc6481e6fa6a27b6463b8f551837071ebe0741e0c5b87

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded links, identified as a link farm, that direct users to websites promising free in-game items and hacks. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs and a 'download button' lure further supports a malicious intent. While no scripts were explicitly extracted, the structure and embedded links suggest the document is designed to redirect users to potentially malicious content or download further payloads.

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-get-free-pet-snacks-in-coin-master-game-hack
- https://gimnaziya6.kz/images/free-robux-no-verification-2021_GM431946152.pdf
- https://gimnaziya6.kz/images/how-to-play-minecraft-with-friends-for-free_GM479516143.pdf
- https://gimnaziya6.kz/images/how-do-you-get-free-roebucks_GM431946152.pdf
- https://gimnaziya6.kz/images/coin-master-apk-hack-358_GM406889139.pdf
- https://gimnaziya6.kz/images/free-spins-for-coin-master-2021_GM406889139.pdf
- https://gimnaziya6.kz/images/minecraft-bedrock-download_GM479516143.pdf
- https://gimnaziya6.kz/images/coin-master-spin-hack-pc_GM406889139.pdf
- https://gimnaziya6.kz/images/get-free-robux-com_GM431946152.pdf
- https://gimnaziya6.kz/images/legit-free-spins-coin-master_GM406889139.pdf
- https://gimnaziya6.kz/images/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdf
- https://gimnaziya6.kz/images/coin-master-game-hack-kaise-kare_GM406889139.pdf
- https://gimnaziya6.kz/images/coin-master-free-spins-no-survey_GM406889139.pdf
- https://gimnaziya6.kz/images/get-free-spins-coin-master_GM406889139.pdf
- https://gimnaziya6.kz/images/spin-coin-master-free_GM406889139.pdf
- https://gimnaziya6.kz/images/coin-master-fan-page-free-spins_GM406889139.pdf
- https://gimnaziya6.kz/images/free-online-spins-coin-master_GM406889139.pdf
- https://gimnaziya6.kz/images/how-to-get-free-coins-on-coin-master-hack_GM406889139.pdf
- https://gimnaziya6.kz/images/how-can-you-get-minecraft-for-free_GM479516143.pdf
- https://gimnaziya6.kz/images/roblox-bloxburg-hack_GM431946152.pdf
- https://gimnaziya6.kz/images/http-bit-ly-coin-master-hack_GM406889139.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_off00004827.bin` `9d25b3b4c85b5f3b9431200841208f5be6220f2c557d1c83472ae9ade3d6726f`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4827	24076 bytes
`font_01_sfnt_off00007efc.bin` `fb13e7b228b7379ac07155c9bb1ef88ba6a2665047d9ab8070bad68869b81d0f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7EFC	18196 bytes

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