PDF malware analysis — malicious · 4ee40b3c88c27e03

MALICIOUS

PDF

44.5 KB Created: 2021-05-19 11:27:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 0317b1f6f2efc0899278600f98faf403 SHA-1: 753d2b7c4a263a76870a9612f277844ebbdd8664 SHA-256: 4ee40b3c88c27e030ceb8e703ad09814324af1999b5fd610041fcac991cc214b

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are structured as SEO-optimized links for game-related cheats and hacks. The document body itself contains text related to 'free unlimited Robux' and includes a primary URL pointing to a similar lure. The presence of a large number of external links, combined with the deceptive content, strongly suggests a phishing or scamming attempt designed to redirect users to potentially malicious sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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/how-to-get-free-unlimited-robux-game-hack
- https://lesegais.ru/images/coin-master-hack-spins-apk_GM406889139.pdf
- https://lesegais.ru/images/coin-master-daily-free-rewards_GM406889139.pdf
- https://lesegais.ru/images/how-to-get-minecraft-for-free-on-xbox-one_GM479516143.pdf
- https://lesegais.ru/images/coin-master-free-coins-hack_GM406889139.pdf
- https://lesegais.ru/images/roblox-free-roblox_GM431946152.pdf
- https://lesegais.ru/images/is-it-possible-to-get-free-robux_GM431946152.pdf
- https://lesegais.ru/images/20210-free-spin-links-for-coin-master_GM406889139.pdf
- https://lesegais.ru/images/minecraft-reach-hack_GM479516143.pdf
- https://lesegais.ru/images/claim-free-spins-coin-master_GM406889139.pdf
- https://lesegais.ru/images/free-spin-coin-master-link-2021_GM406889139.pdf
- https://lesegais.ru/images/free-robux-no-scam_GM431946152.pdf
- https://lesegais.ru/images/games-to-get-free-robux_GM431946152.pdf
- https://lesegais.ru/images/coin-master-free-coins-link_GM406889139.pdf
- https://lesegais.ru/images/free-robux-2021-no-human-verification_GM431946152.pdf
- https://lesegais.ru/images/free-roblox-shirt-templates-2021_GM431946152.pdf
- https://lesegais.ru/images/download-coin-master-hack-mod-apk_GM406889139.pdf
- https://lesegais.ru/images/robux-fun-hack_GM431946152.pdf
- https://lesegais.ru/images/robux-boost_GM431946152.pdf
- https://lesegais.ru/images/hack-coin-master-online_GM406889139.pdf
- https://lesegais.ru/images/tiktok-get-free-followers_GM835599320.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_off000049fe.bin` `80bb209c16a2e6d94d57de8681513e395f8fc1f9cd57709045d9f43f04b16698`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x49FE	28388 bytes
`font_01_sfnt_off00008932.bin` `9b17e9a23becacda63dddbc7f165c1e9b21e0166e4f27ededabbca260bf2e523`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8932	19096 bytes

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