PDF malware analysis — malicious · 755bf68a7caacc57

MALICIOUS

PDF

36.2 KB Created: 2021-07-01 15:36:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07

MD5: e7323437cf1a42ffc8d58e757a85f2d4 SHA-1: 97cff530de62c1ab0be3db5263d04a54b5fcbe5d SHA-256: 755bf68a7caacc57765a9a69662095c93bc1db69a849210c02c6a6c9041d9995

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document employs a common lure of 'free game hacks' and 'free currency' to entice users into clicking malicious links. The document body and heuristics indicate a redirection to external URLs, such as http://netcdn.co/app/431946152/red-cropped-top-and-ripped-jeans-roblox-outfit-free-game-hack, which likely serve as download sites for malware or phishing pages. The ML classifier strongly supports the malicious nature of this PDF.

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.co/app/431946152/red-cropped-top-and-ripped-jeans-roblox-outfit-free-game-hack PDF link annotation
- http://www.raneenmed.com/uploaded_files/userfiles/files/hack-coin-master-download_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/roblox-the-conquerors-hack_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/how-to-hack-someones-roblox-account-2021_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/free-robux-no-email_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/free-robux-that-actually-works_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/blox-fish-free-robux_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/roblox-fly-hack_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/free-robux-codes-generator-no-verification_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/village-coin_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/robux-robux_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/coin-master-hack-software-download_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/roblox-one-piece-golden-age-devil-fruit-hack_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/free-coin-master-hack-no-verification_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/coin-master-hack-without-verification-code_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/hacks-for-roblox-tycoon-2021_GM431946152.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/coin-master-hack-apk-july-29_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/coin-master-free-spins-and-cards_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/coin-master-hack-tool-apk-download_GM406889139.pdfIn PDF document text
- http://www.raneenmed.com/uploaded_files/userfiles/files/free-draw-roblox-kicked_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_off000033a0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x33A0	22940 bytes
SHA-256: `e8691d0258d5a28fd2aaf4bb02fbcf851287b1100da70426929dcdac9e1542fe`
`font_01_sfnt_off00006705.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6705	19532 bytes
SHA-256: `c3565acf7735fe62a0d322c5b523e81bdbfc230cf570b39c9ce9973c2885b527`

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