PDF malware analysis — malicious · dd0c6b1f03ddbcff

MALICIOUS

PDF

48.9 KB Created: 2021-05-17 11:07:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 115b9aab18e85accc3fa759c9502437c SHA-1: e2deb87b0c56b020658b27131129d7d408d4f22f SHA-256: dd0c6b1f03ddbcffcb8908df704782437387066e6a234afdf610a20dcdc1eb58

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs, identified as a link farm, suggesting a tactic to manipulate search engine results or redirect users to malicious content. The document body, though partially corrupted, contains text related to game hacks and free in-game currency, indicating a lure for users seeking such items. The presence of external URIs and the ML classifier's high confidence score support the malicious classification.

Machine Learning

Nyx PDF Classifier malicious score 0.8642

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/how-to-get-800-robux-for-free-game-hack
- https://www.belgium-archery.be/images/best-way-to-hack-coin-master_GM406889139.pdf
- https://www.belgium-archery.be/images/coin-master-daily-free-spins-link-2021_GM406889139.pdf
- https://www.belgium-archery.be/images/free-robux-codes-generator_GM431946152.pdf
- https://www.belgium-archery.be/images/free-minecraft-addons_GM479516143.pdf
- https://www.belgium-archery.be/images/free-spins-in-coin-master-2021_GM406889139.pdf
- https://www.belgium-archery.be/images/free-avatar-roblox_GM431946152.pdf
- https://www.belgium-archery.be/images/noob-vs-pro-vs-hacker-vs-god-minecraft_GM479516143.pdf
- https://www.belgium-archery.be/images/coin-master-daily-gift-free-spins-and-coins-link-today_GM406889139.pdf
- https://www.belgium-archery.be/images/how-to-get-free-robux-easy-hack_GM431946152.pdf
- https://www.belgium-archery.be/images/how-to-get-free-robux-easy_GM431946152.pdf
- https://www.belgium-archery.be/images/free-robux-easy-and-fast_GM431946152.pdf
- https://www.belgium-archery.be/images/coin-master-free-in-app-purchases_GM406889139.pdf
- https://www.belgium-archery.be/images/coin-master-free-spin-link-today-2021_GM406889139.pdf
- https://www.belgium-archery.be/images/coin-master-hack-without-downloading-apps_GM406889139.pdf
- https://www.belgium-archery.be/images/minecraft-cheats-switch_GM479516143.pdf
- https://www.belgium-archery.be/images/roblox-free-hair-codes_GM431946152.pdf
- https://www.belgium-archery.be/images/how-to-install-minecraft-for-free-on-ios_GM479516143.pdf
- https://www.belgium-archery.be/images/free-minecraft-severs_GM479516143.pdf
- https://www.belgium-archery.be/images/get-free-robux-without-human-verification_GM431946152.pdf
- https://www.belgium-archery.be/images/robux-codes_GM431946152.pdf
- https://direct-link.net
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000049de.bin` `cec1e53b8e1682aa506c2b6695d499e47d3b715e020b15b3210921415a7589a2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x49DE	25340 bytes
`font_01_sfnt_off0000843e.bin` `787e0768241fb57660bcc9c7f726cf687277c463cdf8c586c4782ee9d03c3606`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x843E	2840 bytes
`font_02_sfnt_off00008df8.bin` `450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8DF8	5696 bytes
`font_03_sfnt_off00009b0a.bin` `6a64e7471bea66bf256778f320a62da21f5461e8ce3828893f1d9cd09bca5c64`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9B0A	18664 bytes

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