PDF malware analysis — malicious · 3e98967e4b0d645c

MALICIOUS

PDF

42.7 KB Created: 2021-05-15 03:01:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: c8ee4d0b4275119c91be5c6f403ca98b SHA-1: 5fe8642507ab1013b643756941f67009d0fc13a0 SHA-256: 3e98967e4b0d645cb3aa48684bb9c4964074e5b29d89a3c2efe75a224c4624e1

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The document body and embedded URLs suggest a lure for downloading potentially unwanted or malicious software, disguised as cheats or hacks for popular games. The presence of multiple URLs pointing to similar content indicates a phishing or scam campaign. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a malicious document, likely intended to deliver a second-stage payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

Heuristics 4

Callback phishing phone lure medium SE_CALLBACK_LURE

Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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/where-to-get-free-robux-game-hack
- https://bwsrubber.com/image/data/files/coin-master-coin-hack_GM406889139.pdf
- https://bwsrubber.com/image/data/files/robux-codes_GM431946152.pdf
- https://bwsrubber.com/image/data/files/offers-to-complete-and-get-free-spins-in-coin-master_GM406889139.pdf
- https://bwsrubber.com/image/data/files/roblox-free-items-glitch_GM431946152.pdf
- https://bwsrubber.com/image/data/files/free-spins-coin-master_GM406889139.pdf
- https://bwsrubber.com/image/data/files/hack-coin-master-with-lucky-patcher_GM406889139.pdf
- https://bwsrubber.com/image/data/files/free-minecraft-server-hosting_GM479516143.pdf
- https://bwsrubber.com/image/data/files/coin-master-free-link-facebook_GM406889139.pdf
- https://bwsrubber.com/image/data/files/roblox36com-free-robux_GM431946152.pdf
- https://bwsrubber.com/image/data/files/coin-master-daily-free-spins-2021_GM406889139.pdf
- https://bwsrubber.com/image/data/files/coin-master-blogspot_GM406889139.pdf
- https://bwsrubber.com/image/data/files/coin-master-free-spins-only_GM406889139.pdf
- https://bwsrubber.com/image/data/files/pasos-para-hackear-coins-master_GM406889139.pdf
- https://bwsrubber.com/image/data/files/free-robux-mod_GM431946152.pdf
- https://bwsrubber.com/image/data/files/get-free-spins-coin-master-link_GM406889139.pdf
- https://bwsrubber.com/image/data/files/coin-master-cheats-2021_GM406889139.pdf
- https://bwsrubber.com/image/data/files/roblox-hack-download_GM431946152.pdf
- https://bwsrubber.com/image/data/files/boku-no-roblox-hack_GM431946152.pdf
- https://bwsrubber.com/image/data/files/free-robux-2021-no-human-verification_GM431946152.pdf
- https://bwsrubber.com/image/data/files/free-robux-app-real_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_off000047e3.bin` `1c6c1a5d91d81591f10d64900b63c5cb44dff8a5cb2d1e8ef1ba6b5666b929ee`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x47E3	26916 bytes
`font_01_sfnt_off00008424.bin` `fb52c80d186d334eb1da06902c7e87ffbc7c7b48a2b49bbb6429fdd2e0d05906`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8424	18484 bytes

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