PDF malware analysis — malicious · 209e58fda66a638c

MALICIOUS

PDF

43.7 KB Created: 2021-05-16 21:07:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 988c5eb38c9f4a477577ce875a5e5940 SHA-1: a5d833425026fe6b566ef50c0915e5f4bb0bcaae SHA-256: 209e58fda66a638c047df2663a464980cbbc8f8046d0b487c764b3edc94a2d6e

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded URLs, identified as a link farm, that are designed to appear as legitimate resources for game cheats and rewards. The ML classifier strongly indicated maliciousness, and the presence of numerous external links suggests a redirection or download scheme. No scripts were extracted, but the PDF structure itself facilitates the attack by hosting these links.

Machine Learning

Nyx PDF Classifier malicious score 0.9969

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/406889139/daily-free-spins-coin-master-game-hack
- https://javisintlmedia.com/images/blogspot-coin-master-free-spins_GM406889139.pdf
- https://javisintlmedia.com/images/coin-master-daily-rewards_GM406889139.pdf
- https://javisintlmedia.com/images/robloxhacks_GM431946152.pdf
- https://javisintlmedia.com/images/coin-master-free-2021-spin-link_GM406889139.pdf
- https://javisintlmedia.com/images/blogspot-free-spins-coin-master_GM406889139.pdf
- https://javisintlmedia.com/images/coin-master-free-spins-no-human-verification_GM406889139.pdf
- https://javisintlmedia.com/images/free-spin-link-for-coin-master-game_GM406889139.pdf
- https://javisintlmedia.com/images/how-do-you-get-free-robux_GM431946152.pdf
- https://javisintlmedia.com/images/coin-master-hacking-news_GM406889139.pdf
- https://javisintlmedia.com/images/coin-master-hack-mod-apk-2021_GM406889139.pdf
- https://javisintlmedia.com/images/how-to-get-free-clothes-on-roblox_GM431946152.pdf
- https://javisintlmedia.com/images/can-you-hack-coin-master_GM406889139.pdf
- https://javisintlmedia.com/images/free-robux-card-codes_GM431946152.pdf
- https://javisintlmedia.com/images/how-do-i-get-free-robux_GM431946152.pdf
- https://javisintlmedia.com/images/free-robux-hack-us_GM431946152.pdf
- https://javisintlmedia.com/images/minecraft-story-mode-free-download_GM479516143.pdf
- https://javisintlmedia.com/images/coin-master-2021-free-spins_GM406889139.pdf
- https://javisintlmedia.com/images/coin-master-hack-without-verification-code_GM406889139.pdf
- https://javisintlmedia.com/images/coin-master-cards_GM406889139.pdf
- https://javisintlmedia.com/images/free-roblox-hack_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_off000049e2.bin` `2f2c012ebea13f8a8ed6812c4af520bd7099f2c2d447c73de383efed8a9a5def`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x49E2	30780 bytes
`font_01_sfnt_off00008881.bin` `814bd0a2b88bdef89f3245e401f7fc464bd7314e61fe604409dcfddce4500050`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8881	18308 bytes

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