PDF malware analysis — malicious · ae5d06aa91f4b868

MALICIOUS

PDF

41.7 KB Created: 2021-05-16 03:37:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 47126d29d007f7db6b9601aa173423aa SHA-1: fcd999bd37b8e76bcaeb0e1c15044ad6fa5c83d2 SHA-256: ae5d06aa91f4b8688a9fc5b1fad230da7ae44f59b1c2337d5972de3af0afb7c7

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF contains a large number of external links, many of which are SEO-optimized and point to pages offering game hacks and free spins. The document body explicitly mentions downloading hacks for Coin Master and includes a URL that likely leads to a malicious download. The ML classifier also strongly indicated maliciousness.

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/coin-master-free-spins-hack-download-game-hack
- https://socialvalue.gr/images/coin-master-free-spins-link-download-today_GM406889139.pdf
- https://socialvalue.gr/images/coin-master-daily-free-spin-and-coin-link-haktuts_GM406889139.pdf
- https://socialvalue.gr/images/earn-free-robux-on-roblox_GM431946152.pdf
- https://socialvalue.gr/images/coin-master-play-online-free_GM406889139.pdf
- https://socialvalue.gr/images/how-to-get-coin-master-free-spins-in-email_GM406889139.pdf
- https://socialvalue.gr/images/coin-master-free-spins-app_GM406889139.pdf
- https://socialvalue.gr/images/spin-coin-master-free_GM406889139.pdf
- https://socialvalue.gr/images/coin-master-free-cards_GM406889139.pdf
- https://socialvalue.gr/images/mathep_GM431946152.pdf
- https://socialvalue.gr/images/free-coins-coin-master-blog_GM406889139.pdf
- https://socialvalue.gr/images/coin-master-pet-food-hack_GM406889139.pdf
- https://socialvalue.gr/images/coin-master-hack-club_GM406889139.pdf
- https://socialvalue.gr/images/i-robux_GM431946152.pdf
- https://socialvalue.gr/images/roblox-games-com-free_GM431946152.pdf
- https://socialvalue.gr/images/how-to-get-free-robux-fast_GM431946152.pdf
- https://socialvalue.gr/images/free-robux-websites-that-actually-work-2021_GM431946152.pdf
- https://socialvalue.gr/images/how-to-hack-someones-account-on-roblox_GM431946152.pdf
- https://socialvalue.gr/images/easy-coin-master-hack_GM406889139.pdf
- https://socialvalue.gr/images/best-free-minecraft-server-hosting-reddit_GM479516143.pdf
- https://socialvalue.gr/images/free-spins-coin-master-april-2021_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_off0000474e.bin` `980e694a300922647560b32a93e8c9eabd69f58df7e423c9c2697c714acf26da`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x474E	24756 bytes
`font_01_sfnt_off00007f65.bin` `da694bd0fa69da9f205a2bf67330739d542643c12690bfff988ed45d7c82aeae`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7F65	18636 bytes

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