PDF malware analysis — malicious · fb11ee4001b177ea

MALICIOUS

PDF

34.1 KB Created: 2021-07-05 16:42:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 284d19216fcd28690580d08ec1567f7d SHA-1: 77ceb6c5064a69035b5e2433290b3aea45a1fe0f SHA-256: fb11ee4001b177ea71e323ef86a6fb20050d58937486068a3270026f8c9147af

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a 'link farm' structure, strongly suggesting it is designed to redirect users to external sites. The content and URLs focus on game hacks and free in-game currency, a common lure for phishing or malware distribution. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a malicious intent to drive traffic to potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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/coin-master-free-blogspot-game-hack
- http://lib.mbp.ac.id/repository/how-to-get-free-spins-on-coin-master-hack_GM406889139.pdf
- http://lib.mbp.ac.id/repository/coin-master-free-in-app-purchases_GM406889139.pdf
- http://lib.mbp.ac.id/repository/coin-master-el-tiger-card-free_GM406889139.pdf
- http://lib.mbp.ac.id/repository/www-robux-redeem_GM431946152.pdf
- http://lib.mbp.ac.id/repository/coin-master-spins_GM406889139.pdf
- http://lib.mbp.ac.id/repository/free-spins-coins-coin-master_GM406889139.pdf
- http://lib.mbp.ac.id/repository/coin-master-ultra-attack-hack_GM406889139.pdf
- http://lib.mbp.ac.id/repository/free-spin-coin-master-hack-2021_GM406889139.pdf
- http://lib.mbp.ac.id/repository/free-robux-working_GM431946152.pdf
- http://lib.mbp.ac.id/repository/free-robux-hack_GM431946152.pdf
- http://lib.mbp.ac.id/repository/minecraft-on-computer-free_GM479516143.pdf
- http://lib.mbp.ac.id/repository/free-robux-download-no-verification_GM431946152.pdf
- http://lib.mbp.ac.id/repository/free-spins-coin-master-links-thursday-november-28-2021_GM406889139.pdf
- http://lib.mbp.ac.id/repository/free-sword-roblox-catalog_GM431946152.pdf
- http://lib.mbp.ac.id/repository/how-to-install-minecraft-for-free_GM479516143.pdf
- http://lib.mbp.ac.id/repository/coin-master-hack-apk-35-33_GM406889139.pdf
- http://lib.mbp.ac.id/repository/free-jailbreak-roblox-vip-server_GM431946152.pdf
- http://lib.mbp.ac.id/repository/minecraft-story-mode-free_GM479516143.pdf
- http://lib.mbp.ac.id/repository/error-connecting-pipe-3-roblox-hacks_GM431946152.pdf
- http://lib.mbp.ac.id/repository/free-robux-give-away-everyone-will-get-robux-proof_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_002_off00002f29.bin` `9a435cfef0aa8451e1b3cfb40bcff723baabccc20b4b1af51e579ad526abd539`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2F29	22808 bytes
`font_01_sfnt_off00006203.bin` `4ab065c9e1c1ce8cc0ca504291acf999189b22a872bad2ec3209c1b1ac2a7b96`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6203	18464 bytes

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