PDF malware analysis — malicious · 456dc9a1879c387a

MALICIOUS

PDF

34.8 KB Created: 2021-06-19 05:42:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 91e027fe8429c56e8bc51da39fa94600 SHA-1: eda5f79677025a2ba02d55bac69aa39888f2545c SHA-256: 456dc9a1879c387a841703b85159f3986b9827c52d2a4ddd3f8eea8d137cd9e2

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a link farm, strongly suggesting it is designed to redirect users to malicious websites. The document body and extracted URLs indicate a lure related to free game items and cheats, a common tactic for distributing malware. The ML classifier also flagged this PDF as malicious with high confidence.

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 http://netcdn.co/app/431946152/free-robux-no-money-needed-game-hack
- https://www.ati-gulf.com/uploaded_files/userfiles/files/free-printable-roblox-coloring-pages_GM431946152.pdf
- https://www.ati-gulf.com/uploaded_files/userfiles/files/how-do-i-get-free-spins-on-coin-master_GM406889139.pdf
- https://www.ati-gulf.com/uploaded_files/userfiles/files/how-do-i-get-minecraft-for-free_GM479516143.pdf
- https://www.ati-gulf.com/uploaded_files/userfiles/files/free-roblox-clothes-templates_GM431946152.pdf
- https://www.ati-gulf.com/uploaded_files/userfiles/files/how-to-change-username-on-roblox-for-free_GM431946152.pdf
- https://www.ati-gulf.com/uploaded_files/userfiles/files/hacks-to-get-free-robux_GM431946152.pdf
- https://www.ati-gulf.com/uploaded_files/userfiles/files/how-to-get-minecraft-pe-for-free-ios_GM479516143.pdf
- https://www.ati-gulf.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-any-verification_GM431946152.pdf
- https://www.ati-gulf.com/uploaded_files/userfiles/files/free-coin-master-spins-and-coins_GM406889139.pdf
- https://www.ati-gulf.com/uploaded_files/userfiles/files/roblox-online-free-no-download_GM431946152.pdf
- https://www.ati-gulf.com/uploaded_files/userfiles/files/how-to-get-free-robux-2021_GM431946152.pdf
- https://www.ati-gulf.com/uploaded_files/userfiles/files/free-spin-coin-master-app-download_GM406889139.pdf
- https://www.ati-gulf.com/uploaded_files/userfiles/files/free-roblox-premium_GM431946152.pdf
- https://www.ati-gulf.com/uploaded_files/userfiles/files/minecraft-that-you-can-play-for-free_GM479516143.pdf
- https://www.ati-gulf.com/uploaded_files/userfiles/files/how-to-get-minecraft-bedrock-edition-for-free_GM479516143.pdf
- https://www.ati-gulf.com/uploaded_files/userfiles/files/blue-banded-tophat-gives-you-free-robux_GM431946152.pdf
- https://www.ati-gulf.com/uploaded_files/userfiles/files/pokemon-go-free-coins-hack-2021_GM1094591345.pdf
- https://www.ati-gulf.com/uploaded_files/userfiles/files/pubg-uc-kharidna-hai_GM1330123889.pdf
- https://www.ati-gulf.com/uploaded_files/userfiles/files/hack-granny-roblox_GM431946152.pdf
- https://www.ati-gulf.com/uploaded_files/userfiles/files/draw-free-roblox_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00002f9b.bin` `29111ff5e02a58d079dba18d47e6c79fe8043debecc2c6ab8a74ecc6acd39f71`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F9B	22804 bytes
`font_01_sfnt_off00006270.bin` `808f22f1d7c78048ee038dc09d247c969b0224905166543085dd266494ff7f24`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6270	19264 bytes

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