PDF malware analysis — malicious · 1ce0647521390572

MALICIOUS

PDF

46.0 KB Created: 2021-06-07 01:43:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: aed433a2d9d60c8fc11c800761a55981 SHA-1: bcfcefe38c657395913055ac0198bdf98221ea88 SHA-256: 1ce06475213905724c9ec84c5c886efa71598836557f74fcff337a56803fbfea

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a large number of external links, many of which are SEO-optimized and point to pages related to game hacks and free in-game currency. The ML classifier also flagged this PDF as malicious. The presence of these links suggests a phishing or malware distribution attempt, likely using a spearphishing attachment as the initial vector.

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.tw/app/431946152/i-think-someone-hacked-into-my-roblox-account-game-hack
- https://pneukalousek.cz/images/google-how-do-you-get-free-robux_GM431946152.pdf
- https://pneukalousek.cz/images/free-robux-no-verification-needed_GM431946152.pdf
- https://pneukalousek.cz/images/coin-master-free-spins-for-iphone_GM406889139.pdf
- https://pneukalousek.cz/images/coin-master-hack-without-verification_GM406889139.pdf
- https://pneukalousek.cz/images/free-robux-2021-no-human-verification_GM431946152.pdf
- https://pneukalousek.cz/images/is-free-robux-real_GM431946152.pdf
- https://pneukalousek.cz/images/how-to-use-table-cheat-engine-roblox_GM431946152.pdf
- https://pneukalousek.cz/images/roblox-free-clothes-hack_GM431946152.pdf
- https://pneukalousek.cz/images/coin-master-free-spins-link-download_GM406889139.pdf
- https://pneukalousek.cz/images/mcpe-master-hack-unlimited-coins_GM406889139.pdf
- https://pneukalousek.cz/images/minecraft-java-free-account_GM479516143.pdf
- https://pneukalousek.cz/images/roblox-skin-free_GM431946152.pdf
- https://pneukalousek.cz/images/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdf
- https://pneukalousek.cz/images/free-robux-discord-servers_GM431946152.pdf
- https://pneukalousek.cz/images/free-robux-codes-2021-real_GM431946152.pdf
- https://pneukalousek.cz/images/coin-master-unlimited-free-spins-link-2021_GM406889139.pdf
- https://pneukalousek.cz/images/best-free-minecraft-hacked-client_GM479516143.pdf
- https://pneukalousek.cz/images/free-cracked-minecraft-server-hosting_GM479516143.pdf
- https://pneukalousek.cz/images/coin-master-map_GM406889139.pdf
- https://pneukalousek.cz/images/coin-master-free-link-blogspot_GM406889139.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_off00005051.bin` `e735335abe00a0d5a49ffb8490265e8b1602acb37c36181660d7ba627b159646`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5051	26960 bytes
`font_01_sfnt_off00008dcb.bin` `d50375b9c878dc31e0a574afa5d1ad2787a509876d9dc9e6a3d1d0f4fe585a7d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8DCB	19524 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.