PDF malware analysis — malicious · ccfe6de863a4576a

MALICIOUS

PDF

34.7 KB Created: 2021-07-03 22:24:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 3bb44abcd6be9ebaad748a98f67b98a7 SHA-1: 337a0555c33a1908cc240686497f43afe4de5022 SHA-256: ccfe6de863a4576abc2ea40d66c1ce88ec2bf667196d2e3bcfd9359cb31dd537

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/431946152/free-2021-robux-game-hack PDF link annotation
- https://chitfund.com/uploaded_files/userfiles/files/free-coins-and-spins-coin-master_GM406889139.pdfIn PDF document text
- https://chitfund.com/uploaded_files/userfiles/files/roblox-hack-heroes-online-spin_GM431946152.pdfIn PDF document text
- https://chitfund.com/uploaded_files/userfiles/files/free-coin-master-credit_GM406889139.pdfIn PDF document text
- https://chitfund.com/uploaded_files/userfiles/files/roblox-cookies-roblosecurity-free-cookies_GM431946152.pdfIn PDF document text
- https://chitfund.com/uploaded_files/userfiles/files/minecraft-free-download-mac_GM479516143.pdfIn PDF document text
- https://chitfund.com/uploaded_files/userfiles/files/coin-master-codes_GM406889139.pdfIn PDF document text
- http://www.chitfund.com/uploaded_files/userfiles/files/free-multiplayer-minecraft-server_GM479516143.pdfIn PDF document text
- https://chitfund.com/uploaded_files/userfiles/files/how-to-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- http://www.chitfund.com/uploaded_files/userfiles/files/how-to-get-any-gamepass-for-free-on-roblox-2021_GM431946152.pdfIn PDF document text
- http://www.chitfund.com/uploaded_files/userfiles/files/roblox-hack-menu-jailbreak_GM431946152.pdfIn PDF document text
- https://chitfund.com/uploaded_files/userfiles/files/april-1-fools-hack-roblox_GM431946152.pdfIn PDF document text
- https://chitfund.com/uploaded_files/userfiles/files/hack-roblox-jailbreak-2021-new_GM431946152.pdfIn PDF document text
- https://chitfund.com/uploaded_files/userfiles/files/coin-master-hack-xyz-download-free_GM406889139.pdfIn PDF document text
- https://chitfund.com/uploaded_files/userfiles/files/roblox-hackprogamers-com_GM431946152.pdfIn PDF document text
- http://www.chitfund.com/uploaded_files/userfiles/files/how-to-get-minecraft-pe-for-free_GM479516143.pdfIn PDF document text
- http://www.chitfund.com/uploaded_files/userfiles/files/roblox-bloxburg-house-builders-free_GM431946152.pdfIn PDF document text
- https://chitfund.com/uploaded_files/userfiles/files/roblox-free-clothes-hack_GM431946152.pdfIn PDF document text
- https://chitfund.com/uploaded_files/userfiles/files/how-to-hack-coin-master-android_GM406889139.pdfIn PDF document text
- http://www.chitfund.com/uploaded_files/userfiles/files/coin-master-ios-hack_GM406889139.pdfIn PDF document text
- https://chitfund.com/uploaded_files/userfiles/files/free-minecraft-realm-codes_GM479516143.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_off000030b6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x30B6	22256 bytes
SHA-256: `8fd0338108e07a191ddc66651ead11bba989ecc4575aaf2b6b9d7384cd024304`
`font_01_sfnt_off00006263.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6263	19116 bytes
SHA-256: `af14d1fa5b4f919e14fbfd2207fee29f86c7e1258ad11836ead4aea48baef512`

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