PDF malware analysis — malicious · 011ecd82ba82d312

MALICIOUS

PDF

43.1 KB Created: 2021-05-17 17:00:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 934b57021bb16e4f8e1d31a769f7e48b SHA-1: 70ef0ee16ad7b182743cf23e4336b46f025fe407 SHA-256: 011ecd82ba82d312d4131afa7728b36ac578f24ac7df126e8e970324703a669c

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains a large number of external links, many of which point to other PDF files hosted on similar domains, suggesting a link farm or redirection scheme. The document body and embedded links indicate a lure for users to download files related to popular games, likely as a pretext for delivering malware. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.

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/431946152/earn-robux-today-game-hack
- https://terapivitalitasjogja.com/ckfinder/userfiles/files/coin-master-free-spins-hack-download_GM406889139.pdf
- https://terapivitalitasjogja.com/ckfinder/userfiles/files/how-to-get-free-robux-not-a-scam_GM431946152.pdf
- https://terapivitalitasjogja.com/ckfinder/userfiles/files/how-to-change-your-username-on-roblox-for-free_GM431946152.pdf
- https://terapivitalitasjogja.com/ckfinder/userfiles/files/apps-to-get-minecraft-for-free_GM479516143.pdf
- https://terapivitalitasjogja.com/ckfinder/userfiles/files/coin-master-free-spins-that-really_GM406889139.pdf
- https://terapivitalitasjogja.com/ckfinder/userfiles/files/how-to-get-free-skins-on-coin-master_GM406889139.pdf
- https://terapivitalitasjogja.com/ckfinder/userfiles/files/coin-master-apk-hack-2021-ios_GM406889139.pdf
- https://terapivitalitasjogja.com/ckfinder/userfiles/files/coin-master-links-free-spins_GM406889139.pdf
- https://terapivitalitasjogja.com/ckfinder/userfiles/files/gamehunters-club-coin-master_GM406889139.pdf
- https://terapivitalitasjogja.com/ckfinder/userfiles/files/free-robux-with-no-human-verification_GM431946152.pdf
- https://terapivitalitasjogja.com/ckfinder/userfiles/files/coin-master-free-spins-without-verification_GM406889139.pdf
- https://terapivitalitasjogja.com/ckfinder/userfiles/files/free-robux-just-click_GM431946152.pdf
- https://terapivitalitasjogja.com/ckfinder/userfiles/files/free-robux-2021_GM431946152.pdf
- https://terapivitalitasjogja.com/ckfinder/userfiles/files/coin-master-hack-tips_GM406889139.pdf
- https://terapivitalitasjogja.com/ckfinder/userfiles/files/cmaster-club-coin-master-hack-tool_GM406889139.pdf
- https://terapivitalitasjogja.com/ckfinder/userfiles/files/coin-master-free-spins-cheats_GM406889139.pdf
- https://terapivitalitasjogja.com/ckfinder/userfiles/files/minecraft-hax-download-no-virus_GM479516143.pdf
- https://terapivitalitasjogja.com/ckfinder/userfiles/files/free-spins-coin-master_GM406889139.pdf
- https://terapivitalitasjogja.com/ckfinder/userfiles/files/coin-master-free-spins--coins-2021_GM406889139.pdf
- https://terapivitalitasjogja.com/ckfinder/userfiles/files/best-coin-master-hack_GM406889139.pdf
- https://www.roblox.co
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004d50.bin` `f331cd728c1c78b9f88c699ebddc294570bb949eedca329e2ee0b3096caf9c8d`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4D50	24372 bytes
`font_01_sfnt_off00008570.bin` `50fc1adeb895ae30588f73a493889120d8bf728fc3821c38df9289c33b75de2a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8570	18432 bytes

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