PDF malware analysis — malicious · 8fb32ba0723bd35d

MALICIOUS

PDF

34.9 KB Created: 2021-07-04 19:03:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 1a990248960aac7b0efe0003f6518123 SHA-1: e4f54dae8e68600a99885a2b902b3a94a2ca729f SHA-256: 8fb32ba0723bd35d17dde273e86aa1fe14cec719cdc7d1fae4b48fbab6ebe0ac

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/roblox-com-redeem-game-hack PDF link annotation
- https://www.tiancom.com.tw/upload/files/how-do-i-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/how-to-get-cheats-on-roblox-jailbreak_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/fbchampion_GM406889139.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/free-robux-generator-for-kids_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/free-robux-codes-download-2021_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/coin-master-free-spins-link-blogspot-today_GM406889139.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/hack-para-shinobi-life-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/robux-hack-sur-pc_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/roblox-hide-and-seek-free-online-game-for-kids_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/minecraft-hack-client-18-9_GM479516143.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/free-robux-no-offers_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/free-minecraft-gift-card_GM479516143.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/coin-master-mod-version-free-download-34-4_GM406889139.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/roblox-free-robux-codes-2021-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/new-codes-speed-hack-roblox-jailbreak-mai-2021_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/roblox-tix-generator_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/free-spins-from-coin-master_GM406889139.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/free-game-packs-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/followers-bot-free-roblox_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/free-roblox-hack-us_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_off00003244.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3244	22272 bytes
SHA-256: `670b29166569a7d7be11f13e796d74c22869c06f8d616280221d8c483bf130c9`
`font_01_sfnt_off000063b4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63B4	18920 bytes
SHA-256: `178f6d72afcf2ff5fccd445075a47828a2ce65428483f0164713ba643bd61f64`

Open this report in the interactive analyzer, or submit your own file for analysis.