PDF malware analysis — malicious · 8f65c7516590814c

MALICIOUS

PDF

33.9 KB Created: 2021-06-19 20:09:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 2144fdd75095e545f319e7f17de12309 SHA-1: fb54352683be56e39908e947a54a856d120c3a33 SHA-256: 8f65c7516590814cfecf7432c1794fcaf4593941262791ecae644d66b56c1aa8

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous embedded links, many of which are SEO-optimized and point to sites offering game cheats and hacks. The presence of a 'download button' lure and a high ML classifier score indicate a malicious intent to redirect users to potentially harmful content. The primary URL http://netcdn.co/app/431946152/free-roblox-paddwords-game-hack is likely the intended destination for a payload download.

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.co/app/431946152/free-roblox-paddwords-game-hack
- http://perpus.wdh.ac.id//repository/village-4-coin-master_GM406889139.pdf
- http://perpus.wdh.ac.id/repository/roblox-games-with-free-boombox_GM431946152.pdf
- http://perpus.wdh.ac.id/repository/free-robux-generator-for-kids_GM431946152.pdf
- http://perpus.wdh.ac.id//repository/link-for-free-spins-on-coin-master_GM406889139.pdf
- http://perpus.wdh.ac.id//repository/coin-master-fun-free-spins_GM406889139.pdf
- http://perpus.wdh.ac.id/repository/free-role-in-coin-master_GM406889139.pdf
- http://perpus.wdh.ac.id//repository/coin-master-200-spin-link_GM406889139.pdf
- http://perpus.wdh.ac.id/repository/can-you-get-free-robux-on-roblox_GM431946152.pdf
- http://perpus.wdh.ac.id/repository/haktuts-2021-coin-master-free-spin-link_GM406889139.pdf
- http://perpus.wdh.ac.id//repository/robux-miner_GM431946152.pdf
- http://perpus.wdh.ac.id/repository/http-coin-master-hack-club_GM406889139.pdf
- http://perpus.wdh.ac.id/repository/how-to-get-free-godly-knives-on-assassin-roblox-2021_GM431946152.pdf
- http://perpus.wdh.ac.id/repository/free-minecraft-java-edition_GM479516143.pdf
- http://perpus.wdh.ac.id/repository/free-games-like-roblox-for-chromebook_GM431946152.pdf
- http://perpus.wdh.ac.id//repository/coin-master-free-spin-bonus_GM406889139.pdf
- http://perpus.wdh.ac.id/repository/robloxfun-com-robux_GM431946152.pdf
- http://perpus.wdh.ac.id/repository/online-coin-master-hack-here_GM406889139.pdf
- http://perpus.wdh.ac.id/repository/coin-master-hack-tool-no-survey_GM406889139.pdf
- http://perpus.wdh.ac.id//repository/minecraft-handbook_GM479516143.pdf
- http://perpus.wdh.ac.id/repository/how-to-get-robux_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00002c99.bin` `82369eb308ab16c3534a6557d57206ce685fd28c8fa971f5cb197d1426d5af7b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2C99	22644 bytes
`font_01_sfnt_off00005f39.bin` `1c03af4b0581d77d4cd82ca987f5541eec8ea139f2e540f7689b1a3d8bfa2e40`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F39	19140 bytes

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