PDF malware analysis — malicious · 7ee7effabe7b0c7f

MALICIOUS

PDF

45.4 KB Created: 2021-05-13 20:24:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: c30904fb107447fa886bea1624c8ab16 SHA-1: a003a519dfe8dd3cfbc95318fc810d2aa24a0633 SHA-256: 7ee7effabe7b0c7fa3c75d51bc49ec9306bc6cc89954bfbebe6b7283af05b61e

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 offering game cheats and free currency. The ML classifier strongly indicated maliciousness, and the presence of numerous links suggests a link farm or redirection scheme. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9507

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/como-hackear-coin-master-2021-game-hack
- http://cmme.it/images/free-robux-generator-without-human-verification_GM431946152.pdf
- http://cmme.it/images/coin-master-daily-free-spins-and-coins-2021_GM406889139.pdf
- http://cmme.it/images/how-to-hack-coin-master-ios-jailbreak_GM406889139.pdf
- http://cmme.it/images/roblox-printables-free_GM431946152.pdf
- http://cmme.it/images/roblox-land-free-robux_GM431946152.pdf
- http://cmme.it/images/free-spins-for-coin-master-app_GM406889139.pdf
- http://cmme.it/images/free-minecraft-account-generator_GM479516143.pdf
- http://cmme.it/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdf
- http://cmme.it/images/websites-that-give-free-robux_GM431946152.pdf
- http://cmme.it/images/how-do-i-get-free-coins-on-coin-master_GM406889139.pdf
- http://cmme.it/images/coin-master-2021-free-spins_GM406889139.pdf
- http://cmme.it/images/how-to-get-minecraft-windows-10-edition-for-free_GM479516143.pdf
- http://cmme.it/images/coin-master-village-cost_GM406889139.pdf
- http://cmme.it/images/roblox-data-breach_GM431946152.pdf
- http://cmme.it/images/free-spins-for-coin-master_GM406889139.pdf
- http://cmme.it/images/coin-master-free-link-spin_GM406889139.pdf
- http://cmme.it/images/minecraft-pocket-edition-download-free-pe-calculator_GM479516143.pdf
- http://cmme.it/images/coin-master-free-spin-generator-without-human-verification_GM406889139.pdf
- http://cmme.it/images/wurst-18_GM479516143.pdf
- http://cmme.it/images/coin-master-hack-for-android_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off000047d4.bin` `b0a7048b0430b4507728ac17560982927a550081d65f1baf9656cec43581d9c3`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x47D4	27032 bytes
`font_01_sfnt_off000084d0.bin` `3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x84D0	2840 bytes
`font_02_sfnt_off00008e82.bin` `7d079b1918a151c222a156c250c5aa0e1b0afb08b6f17fdb7ccf3df79397c72b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8E82	18380 bytes

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