PDF malware analysis — malicious · 6c00344ede9be5bf

MALICIOUS

PDF

43.2 KB Created: 2021-06-03 08:51:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 88aff83988ee2586fd610777df898c38 SHA-1: c022f5edecf5d74510edc7a69f2fab5e6cf5e8ea SHA-256: 6c00344ede9be5bff9f60189b9e68e98218a2b10edebcd2019f43cf4c2240fe9

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains numerous links to external websites, many of which are structured as SEO-optimized PDF links, suggesting a link farm designed to drive traffic. The document body and extracted URLs advertise free in-game items for popular games, a common lure for phishing or malware distribution. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

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 https://netcdn.online/app/479516143/free-minecraft-bedrock-game-hack
- http://lib.stie-aub.ac.id/repository/who-to-get-free-robux_GM431946152.pdf
- http://lib.stie-aub.ac.id/repository/how-to-get-free-spins-on-coin-master-hack_GM406889139.pdf
- http://lib.stie-aub.ac.id/repository/coin-master-link-spin_GM406889139.pdf
- http://lib.stie-aub.ac.id/repository/coin-master-free-coins-twitter_GM406889139.pdf
- http://lib.stie-aub.ac.id/repository/coin-master-free-spins-hack_GM406889139.pdf
- http://lib.stie-aub.ac.id/repository/how-to-get-free-robux-promo-codes_GM431946152.pdf
- http://lib.stie-aub.ac.id/repository/roblox-e-free_GM431946152.pdf
- http://lib.stie-aub.ac.id/repository/guide--coin-master-free-tips_GM406889139.pdf
- http://lib.stie-aub.ac.id/repository/free-spin-in-coin-master_GM406889139.pdf
- http://lib.stie-aub.ac.id/repository/best-way-to-get-free-robux_GM431946152.pdf
- http://lib.stie-aub.ac.id/repository/how-to-get-free-roblox-items_GM431946152.pdf
- http://lib.stie-aub.ac.id/repository/hack-version-of-coin-master_GM406889139.pdf
- http://lib.stie-aub.ac.id/repository/free-spins-on-coin-master-2021_GM406889139.pdf
- http://lib.stie-aub.ac.id/repository/free-game-packs-for-coin-master_GM406889139.pdf
- http://lib.stie-aub.ac.id/repository/mcpe-free-download_GM479516143.pdf
- http://lib.stie-aub.ac.id/repository/coin-master-free-spins-apple_GM406889139.pdf
- http://lib.stie-aub.ac.id/repository/minecraft-hacks-wurst_GM479516143.pdf
- http://lib.stie-aub.ac.id/repository/huskybuckscom-free-robux_GM431946152.pdf
- http://lib.stie-aub.ac.id/repository/coin-master-free-spins-and-coins-group_GM406889139.pdf
- http://lib.stie-aub.ac.id/repository/roblox-premium-free_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_004_off00004ed9.bin` `3ebd8d3fb41d225dc0c593af2b003a1e6733f3e57352a63647002b1949e67a6f`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4ED9	24508 bytes
`font_01_sfnt_off00008653.bin` `d34bffa2112548f8729f10b9022dbaea9618b038b2dadf4195d892bf0ac95b27`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8653	18268 bytes

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