PDF malware analysis — malicious · e36dc7e1a640ccf2

MALICIOUS

PDF

35.7 KB Created: 2021-07-02 03:13:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-20

MD5: 22bc439968e37563c1c7941876c1ec1f SHA-1: 6f344065bf830ae3e189bdd8e382869dfe5bee3e SHA-256: e36dc7e1a640ccf2c9b0085a922a89e4a2ab74cd452bef2fc66fc3504c48472f

100 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains embedded links and text that strongly suggest a phishing or scam attempt, specifically targeting users interested in game-related content like Roblox and Coin Master. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms that the primary embedded URL leads to known malicious infrastructure. The document body, though partially garbled, contains references to hacks and free items, reinforcing the lure.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 3

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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
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 http://netcdn.co/app/431946152/roblox-let In PDF document text
- https://sponajaib.com/ckfinder/userfiles/files/levvvel-coin-master_GM406889139.pdfIn PDF document text
- https://sponajaib.com/ckfinder/userfiles/files/coin-master-daily-free-link_GM406889139.pdfIn PDF document text
- https://sponajaib.com/ckfinder/userfiles/files/hacker-bubble-gum-simulator-de-roblox-fr_GM431946152.pdfIn PDF document text
- https://sponajaib.com/ckfinder/userfiles/files/redem-codes-for-2021-november-for-free-robux_GM431946152.pdfIn PDF document text
- https://sponajaib.com/ckfinder/userfiles/files/free-apk-mod-coin-master_GM406889139.pdfIn PDF document text
- https://sponajaib.com/ckfinder/userfiles/files/pubg-uc-earn_GM1330123889.pdfIn PDF document text
- https://sponajaib.com/ckfinder/userfiles/files/roblox-free-followers_GM431946152.pdfIn PDF document text
- https://sponajaib.com/ckfinder/userfiles/files/windows-10-minecraft-hacks_GM479516143.pdfIn PDF document text
- https://sponajaib.com/ckfinder/userfiles/files/roblox-natural-disaster-survival-how-to-get-free-balloon_GM431946152.pdfIn PDF document text
- https://sponajaib.com/ckfinder/userfiles/files/how-to-get-free-robux-com_GM431946152.pdfIn PDF document text
- https://sponajaib.com/ckfinder/userfiles/files/robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
- https://sponajaib.com/ckfinder/userfiles/files/free-robux-link_GM431946152.pdfIn PDF document text
- https://sponajaib.com/ckfinder/userfiles/files/roblox-spongebob-hacker_GM431946152.pdfIn PDF document text
- https://sponajaib.com/ckfinder/userfiles/files/notoriety-hacks-pastebin-roblox_GM431946152.pdfIn PDF document text
- https://sponajaib.com/ckfinder/userfiles/files/free-robux-guide_GM431946152.pdfIn PDF document text
- https://sponajaib.com/ckfinder/userfiles/files/coin-master-free-coins-twitter_GM406889139.pdfIn PDF document text
- https://sponajaib.com/ckfinder/userfiles/files/how-to-hack-a-roblox-account-with-inspect-element-2021_GM431946152.pdfIn PDF document text
- https://sponajaib.com/ckfinder/userfiles/files/hack-in-roblox-that-everyone-can-see_GM431946152.pdfIn PDF document text
- https://sponajaib.com/ckfinder/userfiles/files/60-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://sponajaib.com/ckfinder/userfiles/files/roblox-exploit-dll-scripts-cheat-engine-pastebin_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00003264.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3264	22096 bytes
SHA-256: `39a1dd83725ff8ba2efee616f6bc81aa7e1dbdfddffd5ca8ef83aafe62ea27bb`
`font_01_sfnt_off00006340.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6340	20196 bytes
SHA-256: `32ccc8c89251147d6037ca269600583cc4ec7b89ddd78f6c20aebd7e7b8da527`

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