PDF malware analysis — malicious · 1a1d5518075b638e

MALICIOUS

PDF

45.7 KB Created: 2021-06-01 20:17:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: f143096e0f2fb088306741f26d439ca4 SHA-1: 7b67f652122eb6f27ba714ba2e4b6ae8606660fb SHA-256: 1a1d5518075b638e7ef06e713896e74bae53d58b06dbed68de27a4d834402aeb

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous embedded links, many of which are part of a link farm, directing users to sites offering game hacks and cheats. The ML classifier strongly indicated maliciousness, and the presence of a call-to-action phrase further supports a malicious intent to trick users into downloading potentially harmful content. The primary attack vector appears to be luring users to external sites via malicious links.

Machine Learning

Nyx PDF Classifier malicious score 0.9864

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/free-gamepass-roblox-v3rmillion-game-hack
- https://vissalutis.pl/wp-content/uploads/fsqm-files/hack-para-counter-blox-roblox-offensive-2021_GM431946152.pdf
- https://vissalutis.pl/wp-content/uploads/fsqm-files/minecraft-build-hacks_GM479516143.pdf
- https://vissalutis.pl/wp-content/uploads/fsqm-files/da-hood-update-drum-gun-cheats-in-roblox_GM431946152.pdf
- https://vissalutis.pl/wp-content/uploads/fsqm-files/how-to-get-hacks-on-minecraft_GM479516143.pdf
- https://vissalutis.pl/wp-content/uploads/fsqm-files/coin-master-daily-free-spins-and-coins_GM406889139.pdf
- https://vissalutis.pl/wp-content/uploads/fsqm-files/roblox-saber-simulator-hack-script_GM431946152.pdf
- https://vissalutis.pl/wp-content/uploads/fsqm-files/how-to-get-minecraft-for-free_GM479516143.pdf
- https://vissalutis.pl/wp-content/uploads/fsqm-files/how-to-get-minecraft-for-free-on-mobile_GM479516143.pdf
- https://vissalutis.pl/wp-content/uploads/fsqm-files/free-robux-cards-that-works_GM431946152.pdf
- https://vissalutis.pl/wp-content/uploads/fsqm-files/roblox-robux-hack-tutorial_GM431946152.pdf
- https://vissalutis.pl/wp-content/uploads/fsqm-files/how-to-get-minecraft-for-free-on-ps4_GM479516143.pdf
- https://vissalutis.pl/wp-content/uploads/fsqm-files/free-item-give-obby-roblox_GM431946152.pdf
- https://vissalutis.pl/wp-content/uploads/fsqm-files/minecraft-com-free_GM479516143.pdf
- https://vissalutis.pl/wp-content/uploads/fsqm-files/how-to-create-a-roblox-hack-in-2021_GM431946152.pdf
- https://vissalutis.pl/wp-content/uploads/fsqm-files/minecraft-java-edition-redeem-code-free-2021_GM479516143.pdf
- https://vissalutis.pl/wp-content/uploads/fsqm-files/free-minecraft-maps_GM479516143.pdf
- https://vissalutis.pl/wp-content/uploads/fsqm-files/how-can-i-get-free-robux_GM431946152.pdf
- https://vissalutis.pl/wp-content/uploads/fsqm-files/how-to-create-a-free-group-on-roblox_GM431946152.pdf
- https://vissalutis.pl/wp-content/uploads/fsqm-files/minecraft-free-download-chromebook_GM479516143.pdf
- https://vissalutis.pl/wp-content/uploads/fsqm-files/free-robux-sans-verification_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_004_off0000535d.bin` `7de5df1b422c08e50533eea6c0c5d0a7e20941a152b7034e32e611a58b19d807`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x535D	25468 bytes
`font_01_sfnt_off00008dd2.bin` `18997268d48ee58c3e705dbaf60aee2f497691b4d75a9de0e777f8b258eee253`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8DD2	19040 bytes

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