PDF malware analysis — malicious · 7bd783a4afa9553d

MALICIOUS

PDF

41.9 KB Created: 2021-05-17 03:10:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: f694d402b909ae830acdc367999e3d2c SHA-1: df72fe201e6d0c8d1b601dfd7709e8fc56bcb218 SHA-256: 7bd783a4afa9553df2fe9f9bd0267fb1af4b6d479194ab3a3211b863f5080691

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains multiple links to external resources, many of which are algorithmically generated and point to game-related cheats and hacks. The presence of a 'download button' heuristic further suggests a user-interaction-driven download attempt. The ML classifier also flagged this PDF as malicious, indicating a high likelihood of malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

Heuristics 4

PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK

PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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/boost9-com-roblox-hack-game-hack
- https://bazilikum.com/images/roblox-avatar-com_GM431946152.pdf
- https://bazilikum.com/images/minecraft-packs-free_GM479516143.pdf
- https://bazilikum.com/images/coin-master-hack-cydia_GM406889139.pdf
- https://bazilikum.com/images/free-spins-coin-master-links-2021_GM406889139.pdf
- https://bazilikum.com/images/free-rare-cards-for-coin-master-christmas_GM406889139.pdf
- https://bazilikum.com/images/coin-master-hack-programmers_GM406889139.pdf
- https://bazilikum.com/images/how-to-get-free-spins-on-coin-master-2021-links_GM406889139.pdf
- https://bazilikum.com/images/blogger-free-spins-and-coins_GM406889139.pdf
- https://bazilikum.com/images/free-robux-no-human-verification-no-survey_GM431946152.pdf
- https://bazilikum.com/images/robux-generator_GM431946152.pdf
- https://bazilikum.com/images/instagram-free-coin-master-spins_GM406889139.pdf
- https://bazilikum.com/images/free-robux-codes-no-verification-2021_GM431946152.pdf
- https://bazilikum.com/images/coin-master-free-gold-cards-link_GM406889139.pdf
- https://bazilikum.com/images/hack-coin-master-spin_GM406889139.pdf
- https://bazilikum.com/images/free-robux-no-human-verify_GM431946152.pdf
- https://bazilikum.com/images/free-spins-for-coin-master-app_GM406889139.pdf
- https://bazilikum.com/images/how-to-hack-someones-roblox-account_GM431946152.pdf
- https://bazilikum.com/images/httpswwwurcouponsdealcom202103coinmasterfreespinandcoinlinkshtml_GM406889139.pdf
- https://bazilikum.com/images/free-robux-no-verification-at-all_GM431946152.pdf
- https://bazilikum.com/images/www-roblox-robux_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_off00004586.bin` `61f95fac22cd761cb659a68c78a6fe354d9c3356e7ff45b73699d14adc00e500`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4586	25704 bytes
`font_01_sfnt_off0000800b.bin` `116e3350f892353559a46e1e2dd8dd97ba265176f89098854de85373f70222e5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x800B	18708 bytes

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