PDF malware analysis — malicious · 174a278a0a39f0c9

MALICIOUS

PDF

48.2 KB Created: 2021-06-10 23:47:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: f46f4a94920043310a6d2ab5532b1781 SHA-1: a55bfbaad45e55ad0fe837098e0f30bfd2be3740 SHA-256: 174a278a0a39f0c9c075cf8e9aaf1e5a0c2cf184f219140f53f127b5c8cccc04

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF file exhibits characteristics of a malicious document, including a high ML classification score and the presence of numerous external links. The document body and extracted URLs suggest a lure related to game cheats and giveaways, likely intended to redirect users to malicious sites or prompt downloads. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of outbound links, increasing the likelihood of a malicious redirection or phishing attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9796

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.tw/app/431946152/the-free-prize-giveaway-obby-roblox-game-hack
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/roblox-cheat-engine-latest-version_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/can-you-play-minecraft-for-free_GM479516143.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/roblox-cheats-for-robux-with-inspect_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/scpninetailedfox-mod-cheats-roblox_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/mango-tango-roblox-cheating-on-girls_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/game-gives-you-free-robux_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/roblox-hack-tix-and-robux-generator-2021_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-coins-coin-master_GM406889139.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/roblox-piano-hack-2021_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/no-human-verification-free-robux-2021-working_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/v3rmillion-free-roblox-injector_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/roblox-games-202120213-free-robux-roblox-game_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/roblox-cheating-hacking_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/telecharger-roblox-hack_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/roblox-sprinting-simulator-hack-2021_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-coins-on-coin-master_GM406889139.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-roblox-accounts-with-bloxburg_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/how-to-become-a-hacker-in-roblox-ios_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/how-to-get-free-admin-on-any-roblox-game-2021_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-face-on-roblox-2021_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off000054af.bin` `e8bd310ce53f7168211692d283423adaa0f8141f6e85af9cf7218af33d9cc310`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x54AF	25700 bytes
`font_01_sfnt_off00008d82.bin` `94c1b019735d7e491765340abe50b2897410e2ec65ecf141c08bd9f2220897c4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8D82	2824 bytes
`font_02_sfnt_off00009731.bin` `8ac06acb11ec41020f1190f5fd64c952c8cc67160c4b4c37906d278e9afb09a4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9731	19156 bytes

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