PDF malware analysis — malicious · 44cac9ed0beed2c4

MALICIOUS

PDF

42.8 KB Created: 2021-05-17 06:54:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 5edec982b29919ab2b46bd13079a9280 SHA-1: 0803a728b78eb8ea09a148e57aaa20892400221a SHA-256: 44cac9ed0beed2c49113c174467266ef6dc8f06df9b115f3531e4dbb55c27fca

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 0.9971

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 https://netcdn.xyz/app/479516143/is-minecraft-realms-free-game-hack PDF link annotation
- http://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
- http://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/kachifpro_GM406889139.pdfIn PDF document text
- http://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/coin-master-hack-apk-with-fb-login_GM406889139.pdfIn PDF document text
- http://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/how-to-get-free-coins-in-coin-master-game_GM406889139.pdfIn PDF document text
- http://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/free-roblox-avatar-ideas_GM431946152.pdfIn PDF document text
- http://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/free-spins-and-coins-coin-master-2021_GM406889139.pdfIn PDF document text
- http://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/get-robux-com_GM431946152.pdfIn PDF document text
- http://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/ro-ghoul-script_GM431946152.pdfIn PDF document text
- http://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/how-to-hack-coin-master-game_GM406889139.pdfIn PDF document text
- http://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/roblox-robux-codes-2021_GM431946152.pdfIn PDF document text
- http://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
- http://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/roblox-robux-hack_GM431946152.pdfIn PDF document text
- http://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/coin-master-hack-online-generator_GM406889139.pdfIn PDF document text
- http://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/free-rare-cards-for-coin-master_GM406889139.pdfIn PDF document text
- http://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/free-google-play-promo-codes-coin-master_GM406889139.pdfIn PDF document text
- http://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/coin-master-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
- http://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/free-minecraft-java-edition-account_GM479516143.pdfIn PDF document text
- http://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/daily-coin-master-free-spin-link-facebook_GM406889139.pdfIn PDF document text
- http://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/free-coin-master-gifts_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_003_off00004d8c.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4D8C	25096 bytes
SHA-256: `6b4fd58757f56d35883a75d3d622da8cc046350d161bf2eb6a0520f0735dbb07`
`font_01_sfnt_off00008683.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8683	17900 bytes
SHA-256: `d94e88f400a91da589c267152ab3bcd3a3c7a79749ad17c8252b3458dd298181`

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