PDF malware analysis — malicious · 23ed2e852a464da6

MALICIOUS

PDF

33.9 KB Created: 2021-07-05 00:42:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04

MD5: aa7507743f7b0cc20d4086b343274336 SHA-1: 0a9b0fe747f018e2f555dba1f94fdc9d96a669e9 SHA-256: 23ed2e852a464da6b7c5a97fd3e8e63db8db18086dba324dc0c2c93d9032fd0e

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE

PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
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 http://netcdn.tw/app/406889139/how-to-get-more-free-coins-on-coin-master-game-hack PDF link annotation
- http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/roblox-pet-ranch-simulator-hack_GM431946152.pdfIn PDF document text
- http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/hacks-para-roblox-dragon-ball-rage-2021_GM431946152.pdfIn PDF document text
- http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/what-tiktok-free-will_GM835599320.pdfIn PDF document text
- http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/roblox-rape_GM431946152.pdfIn PDF document text
- http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/how-to-get-free-minecraft-skins_GM479516143.pdfIn PDF document text
- http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/fighting-free-card-coin-master_GM406889139.pdfIn PDF document text
- http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/roblox-cheat-engine-god-mode-script_GM431946152.pdfIn PDF document text
- http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/oprewards-com-roblox_GM431946152.pdfIn PDF document text
- http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/coin-master-root-hack_GM406889139.pdfIn PDF document text
- http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/learn-to-hack-roblox-for-robux_GM431946152.pdfIn PDF document text
- http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/ash-pants-on-roblox-free_GM431946152.pdfIn PDF document text
- http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/hack-mm2-roblox_GM431946152.pdfIn PDF document text
- http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/hack-para-counter-blox-roblox-offensive-2021_GM431946152.pdfIn PDF document text
- http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/get-robux_GM431946152.pdfIn PDF document text
- http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/buy-tiktok-followers-free_GM835599320.pdfIn PDF document text
- http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/free-coin-master-spins-and-coins_GM406889139.pdfIn PDF document text
- http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/free-spins-coin-master-facebook_GM406889139.pdfIn PDF document text
- http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/how-to-get-a-free-dominus-hat-on-roblox_GM431946152.pdfIn PDF document text
- http://moshaver-computer.ir/all_files/ckfinder/userfiles/files/coin-master-free-link_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_002_off0000302a.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x302A	22384 bytes
SHA-256: `fc1a9d1284c65e331ce956c6e9ace1b06f31cbfe92275f5b5682157065fe3992`
`font_01_sfnt_off0000620c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x620C	18164 bytes
SHA-256: `87539b2ce36dbba66f075720f9556e36c071cb06377775487ffba75d6ed8d31d`

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