PDF malware analysis — malicious · 849dfef6cc9a778b

MALICIOUS

PDF

44.6 KB Created: 2021-06-02 14:27:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16

MD5: 87bc609a0d933033221f7cabd984b4e6 SHA-1: 22cd1fe1a21358ed64ef7a4d573794ff27cf7870 SHA-256: 849dfef6cc9a778b0b2159eaeee0d4b96d5f99bedd266ed23d797316aa05c8b1

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains embedded links and references to external URLs that promote game hacks and cheats, indicating a lure for users to download potentially malicious files. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests that the document may also instruct users to provide a password for an archive, a common tactic to bypass security filters. The ML classifier strongly flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

Heuristics 4

Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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/boku-no-roblox-remastered-hack-2021-game-hack PDF link annotation
- http://glll.de/images/blox-pink-robux-free_GM431946152.pdfIn PDF document text
- http://glll.de/images/free-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
- http://glll.de/images/www-bandicam-com-free-robux_GM431946152.pdfIn PDF document text
- http://glll.de/images/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
- http://glll.de/images/coin-master-hack_GM406889139.pdfIn PDF document text
- http://glll.de/images/minecraft-account-hacked_GM479516143.pdfIn PDF document text
- http://glll.de/images/free-robux-hacker-us_GM431946152.pdfIn PDF document text
- http://glll.de/images/how-do-u-get-robux_GM431946152.pdfIn PDF document text
- http://glll.de/images/reddit-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://glll.de/images/coin-master-hack-apk-35-18_GM406889139.pdfIn PDF document text
- http://glll.de/images/daily-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- http://glll.de/images/how-to-hack-roblox_GM431946152.pdfIn PDF document text
- http://glll.de/images/how-to-use-scripts-in-roblox-hack_GM431946152.pdfIn PDF document text
- http://glll.de/images/free-roblox-accounts-with-robux-that-work-not-banned-2021_GM431946152.pdfIn PDF document text
- http://glll.de/images/coin-master-daily-spin-free_GM406889139.pdfIn PDF document text
- http://glll.de/images/robux-miner_GM431946152.pdfIn PDF document text
- http://glll.de/images/roblox-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- http://glll.de/images/coin-master-hack-tool-2021_GM406889139.pdfIn PDF document text
- http://glll.de/images/get-2021-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://glll.de/images/coin-master-hack-mod-apk-android-1_GM406889139.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
`stream_004_off00004e86.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4E86	25028 bytes
SHA-256: `8ed59178bbc049c8fa72d2f59f3f314469985fdea7ee497ad20b5a5747369fa5`
`font_01_sfnt_off0000887d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x887D	19260 bytes
SHA-256: `5d1d3e317603b0286d5c506a62d748df92cf5b25516be042363c8aaa99bac494`

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