PDF malware analysis — malicious · 325d80effac33da0

MALICIOUS

PDF

46.4 KB Created: 2021-05-19 05:13:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 89dccd85b0421b0586129a868f0b9e4b SHA-1: 1c1f486ab53830a070f9af423e79c82d0f7076c4 SHA-256: 325d80effac33da070a2cb2861f6cfae71a97b39f6ea2d4224b1c7c629229b72

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which appear to be part of a link farm designed to attract users searching for game cheats and hacks. The ML classifier strongly indicated maliciousness, and the presence of a 'download button' heuristic suggests a deceptive workflow. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.8948

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/free-roblox-com-game-hack
- https://ourlady-elearning.com/userfiles/files/coin-master-daily-free-spin-and-coin_GM406889139.pdf
- https://ourlady-elearning.com/userfiles/files/roblox-online-free-no-download_GM431946152.pdf
- https://ourlady-elearning.com/userfiles/files/free-robux-script_GM431946152.pdf
- https://ourlady-elearning.com/userfiles/files/facebook-coin-master-free-spins_GM406889139.pdf
- https://ourlady-elearning.com/userfiles/files/free-minecraft-games-for-kids_GM479516143.pdf
- https://ourlady-elearning.com/userfiles/files/coin-master-stop-attack-hack_GM406889139.pdf
- https://ourlady-elearning.com/userfiles/files/how-to-get-free-robux-app_GM431946152.pdf
- https://ourlady-elearning.com/userfiles/files/coin-master-free-stuff-links_GM406889139.pdf
- https://ourlady-elearning.com/userfiles/files/free-robux-gift-card-generator_GM431946152.pdf
- https://ourlady-elearning.com/userfiles/files/toolbox-for-minecraft-ios_GM479516143.pdf
- https://ourlady-elearning.com/userfiles/files/strucid-aimbot_GM431946152.pdf
- https://ourlady-elearning.com/userfiles/files/promo-code-free-robux_GM431946152.pdf
- https://ourlady-elearning.com/userfiles/files/how-to-hack-roblox-games_GM431946152.pdf
- https://ourlady-elearning.com/userfiles/files/coin-master-free-spins-without-human-verification_GM406889139.pdf
- https://ourlady-elearning.com/userfiles/files/free-robux-sites-2021_GM431946152.pdf
- https://ourlady-elearning.com/userfiles/files/free-robux-generator_GM431946152.pdf
- https://ourlady-elearning.com/userfiles/files/roblox-inappropriate-games_GM431946152.pdf
- https://ourlady-elearning.com/userfiles/files/coin-master-free-spins-and-coins-without-human-verification_GM406889139.pdf
- https://ourlady-elearning.com/userfiles/files/haktuts-coin-master-free-spin-today_GM406889139.pdf
- https://ourlady-elearning.com/userfiles/files/free-robux-no-scam_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004efc.bin` `59730ae01ba36d4dd23e6543455389e2390b0a8df429a2612195671ad7d309ed`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4EFC	25328 bytes
`font_01_sfnt_off0000889b.bin` `4889dc98a6bfd3c9244583f92387be58625a91e7a969778ad35ada89b27ed636`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x889B	3084 bytes
`font_02_sfnt_off00009341.bin` `a8b78c346849e492d79c6e108c6b39d90d98748c1a8fa70f2ffbc01f5a97eafd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9341	18208 bytes

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