PDF malware analysis — malicious · 751b1ba740b5f7d2

MALICIOUS

PDF

42.0 KB Created: 2021-05-14 11:53:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: d20ec75b6f48d23939f566249cd9f737 SHA-1: d67a500842ef9516c670f9b20c4d7ef2be5f16d9 SHA-256: 751b1ba740b5f7d26056be3f38e92a70586f1082b60c1952afb69610c994381f

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains numerous embedded links, forming a link farm, that direct users to websites offering free virtual currency or game items. The primary URL, https://netcdn.xyz/app/431946152/free-robux-generator-no-human-verification-or-surveys-game-hack, suggests a lure for obtaining in-game currency. The presence of a link farm and external URIs indicates an attempt to drive traffic to potentially malicious or scam-related content, likely as part of a phishing or social engineering campaign.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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-robux-generator-no-human-verification-or-surveys-game-hack
- http://zarinnameh.ir/images/free-coins-for-coin-master_GM406889139.pdf
- http://zarinnameh.ir/images/how-to-get-free-snacks-in-coin-master_GM406889139.pdf
- http://zarinnameh.ir/images/free-spin-gratis-coin-master_GM406889139.pdf
- http://zarinnameh.ir/images/free-roblox-accounts-2021_GM431946152.pdf
- http://zarinnameh.ir/images/get-free-robux-no-verification_GM431946152.pdf
- http://zarinnameh.ir/images/robux_GM431946152.pdf
- http://zarinnameh.ir/images/114-4-hacks_GM479516143.pdf
- http://zarinnameh.ir/images/free-robux-without-human-verification-real_GM431946152.pdf
- http://zarinnameh.ir/images/best-site-for-free-coin-master_GM406889139.pdf
- http://zarinnameh.ir/images/coin-master-free-spins-apk_GM406889139.pdf
- http://zarinnameh.ir/images/hack-coin-master-for-android_GM406889139.pdf
- http://zarinnameh.ir/images/how-to-get-free-robux-hack_GM431946152.pdf
- http://zarinnameh.ir/images/haktuts-coin-master-free-spin-today_GM406889139.pdf
- http://zarinnameh.ir/images/how-to-get-free-robux-without-verification-2021_GM431946152.pdf
- http://zarinnameh.ir/images/coin-master-free-spins-hack-link_GM406889139.pdf
- http://zarinnameh.ir/images/coin-master-hack-apk-35-13_GM406889139.pdf
- http://zarinnameh.ir/images/coin-master-game-hacks_GM406889139.pdf
- http://zarinnameh.ir/images/robuxmatchcom-free-robux_GM431946152.pdf
- http://zarinnameh.ir/images/minecraft-free-download-windows_GM479516143.pdf
- http://zarinnameh.ir/images/coin-master-link-daily-get-free-spins-amp_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00004951.bin` `22abd14a2aae83f63a68b1a3d71c09faba6938abb9f6ac736dd56afc7a671b85`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4951	24052 bytes
`font_01_sfnt_off00007f42.bin` `b23a4dbd5b2cf0eeb4dbb5626642de4de2979fce29ecd3df28c5d1ef95471ce4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7F42	19156 bytes

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