PDF malware analysis — malicious · 558d6d31f775c2d0

MALICIOUS

PDF

34.5 KB Created: 2021-06-27 04:56:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 499a1b7644bf2a41930bb2c7df578c3c SHA-1: 7a713c1994d92122163b940822c887900393a916 SHA-256: 558d6d31f775c2d0b78ccea7d3a9cd603d9c9f3af7ce571a5bad875fc3bfd078

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a document body that mimics a guide for obtaining in-game currency, suggesting a phishing or scam attempt. The presence of a large number of external links, many with numeric slugs, indicates a link farm designed to attract traffic. The ML classifier also strongly flagged this PDF as malicious.

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/como-tener-mas-dinero-en-adopt-me-roblox-con-hacks-game-hack
- https://dirigentigiustizia.it/images/free-minecraft-videos_GM479516143.pdf
- https://dirigentigiustizia.it/images/roblox-free-robux-2021_GM431946152.pdf
- https://dirigentigiustizia.it/images/roblox-prison-live-v20-infinite-ammo-hack-2021_GM431946152.pdf
- https://dirigentigiustizia.it/images/how-to-get-free-robux-from-meep-city_GM431946152.pdf
- https://dirigentigiustizia.it/images/how-to-get-free-clothes-on-roblox-2021-no-bc_GM431946152.pdf
- https://dirigentigiustizia.it/images/free-spins-on-coin-master-generator_GM406889139.pdf
- https://dirigentigiustizia.it/images/coin-master-hack-2021-no-human-verification_GM406889139.pdf
- https://dirigentigiustizia.it/images/haw-to-get-free-dominus-on-roblox-2021-march_GM431946152.pdf
- https://dirigentigiustizia.it/images/how-to-hack-robux-with-cheat-engine-2021_GM431946152.pdf
- https://dirigentigiustizia.it/images/minecraft-ps4-free_GM479516143.pdf
- https://dirigentigiustizia.it/images/roblox-com-free-robux_GM431946152.pdf
- https://dirigentigiustizia.it/images/best-free-avatar-roblox-2021_GM431946152.pdf
- https://dirigentigiustizia.it/images/free-robux-for-tablet-pro_GM431946152.pdf
- https://dirigentigiustizia.it/images/coin-master-daily-free-spins-and-coins_GM406889139.pdf
- https://dirigentigiustizia.it/images/do-coin-master-hacks-work_GM406889139.pdf
- https://dirigentigiustizia.it/images/get-free-robux-on-roblox-no-human-verification_GM431946152.pdf
- https://dirigentigiustizia.it/images/roblox-free-rare-hat_GM431946152.pdf
- https://dirigentigiustizia.it/images/roblox-mad-city-free-car_GM431946152.pdf
- https://dirigentigiustizia.it/images/tiktok-follower-bot-free_GM835599320.pdf
- https://dirigentigiustizia.it/images/robux-free-tips-apk_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_off00002fcc.bin` `e5e2996ac7301562354282a0b582b383e77b0b2139380655952052037506a300`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2FCC	21700 bytes
`font_01_sfnt_off00005f92.bin` `092cbd385856d6c10deb096491467e6ef265dfe3cadd968f4a5f992dfb0ed185`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F92	19852 bytes

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