PDF malware analysis — malicious · d5caafda88f2abee

MALICIOUS

PDF

45.2 KB Created: 2021-05-15 09:57:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 49874d2145b769cb8574d402e07284c2 SHA-1: acec58464776024860eea7213b0e6485266c2a1a SHA-256: d5caafda88f2abeec6620236617a1a72d43666cba3342faab95aa11e5e301912

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs that point to sites offering game hacks and generators, a common lure for phishing and malware distribution. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, suggesting an attempt to manipulate search engine results for malicious purposes. The ML classifier also strongly flagged this PDF as malicious, supporting the conclusion that it is designed to lead users to harmful content.

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/479516143/minecraft-svg-free-game-hack
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/free-robux-generator-2021-no-human-verification-or-survey_GM431946152.pdf
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/minecraft-xbox-360-free-download-code_GM479516143.pdf
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/minecraft-pc-free_GM479516143.pdf
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/roblox-system_GM431946152.pdf
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/free-robux-no-human-verification-generator_GM431946152.pdf
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/coin-master-hack-spins-free_GM406889139.pdf
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/how-to-hack-roblox-games_GM431946152.pdf
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/coin-master-game-hunters-club_GM406889139.pdf
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/minecraft-ps3-free-download_GM479516143.pdf
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/coin-master-spin-hack-link_GM406889139.pdf
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/minecraft-hax-download-no-virus_GM479516143.pdf
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/coin-master-hack-online-generator_GM406889139.pdf
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/coin-master-free-spins-deutsch-download-ios-link_GM406889139.pdf
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/if-i-uninstall-minecraft-can-i-reinstall-it-for-free_GM479516143.pdf
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/minecraft-cracked-client_GM479516143.pdf
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/is-minecraft-free-on-computer_GM479516143.pdf
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/coin-master-coins-free_GM406889139.pdf
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/robux-generator-without-human-verification_GM431946152.pdf
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/free-promo-codes-roblox_GM431946152.pdf
- https://www.rajmahalproductions.com/uploaded_files/userfiles/files/roblox-hacked-version_GM431946152.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_off00004c8e.bin` `a225042bb2b3eaa0386c54c0296462f3440e5f3a260ac34ba224f78e671e407c`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4C8E	30368 bytes
`font_01_sfnt_off00008f91.bin` `f82c060a5662ddcca675aec0cfac04b32032cde6baf3a8524f802f6fcb7e6d40`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F91	17968 bytes

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