PDF malware analysis — malicious · 7ac6d60d333f38cc

MALICIOUS

PDF

47.8 KB Created: 2021-05-16 00:01:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 047396a0bc93df4239535a494fdd0eef SHA-1: 83ee25fb8cbcfd0916b8f61e3482bb5ed8bbf9d0 SHA-256: 7ac6d60d333f38cc22a27d7515d2ff721912d43b2dc501aad7706198fa43ae48

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains numerous external links, a common tactic for SEO farms or to redirect users to malicious sites. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of embedded URLs and the heuristic 'PDF_SEO_LINK_FARM' strongly suggest a malicious intent to drive traffic to potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9013

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.xyz/app/431946152/free-roblox-toy-codes-not-used-game-hack
- https://www.dc-itsolutions.com/userfiles/files/how-to-win-attack-madness-in-coin-master-hack_GM406889139.pdf
- https://www.dc-itsolutions.com/userfiles/files/free-coins-on-coin-master_GM406889139.pdf
- https://www.dc-itsolutions.com/userfiles/files/static-moonactive-net-free-spins_GM406889139.pdf
- https://www.dc-itsolutions.com/userfiles/files/free-roblox-groups_GM431946152.pdf
- https://www.dc-itsolutions.com/userfiles/files/can-you-really-hack-coin-master_GM406889139.pdf
- https://www.dc-itsolutions.com/userfiles/files/get-me-free-robux_GM431946152.pdf
- https://www.dc-itsolutions.com/userfiles/files/coin-master-hack-online-without-human-verification_GM406889139.pdf
- https://www.dc-itsolutions.com/userfiles/files/is-minecraft-free-on-nintendo-switch_GM479516143.pdf
- https://www.dc-itsolutions.com/userfiles/files/free-robux-promo-codes_GM431946152.pdf
- https://www.dc-itsolutions.com/userfiles/files/free-coin-spin-daily-link-for-coin-master-game_GM406889139.pdf
- https://www.dc-itsolutions.com/userfiles/files/www-bandicam-com-free-robux_GM431946152.pdf
- https://www.dc-itsolutions.com/userfiles/files/coin-master-free-cards-link_GM406889139.pdf
- https://www.dc-itsolutions.com/userfiles/files/play-coin-master-for-free_GM406889139.pdf
- https://www.dc-itsolutions.com/userfiles/files/how-to-get-robux-on-roblox_GM431946152.pdf
- https://www.dc-itsolutions.com/userfiles/files/free-spin-link-coin-master-today_GM406889139.pdf
- https://www.dc-itsolutions.com/userfiles/files/free-spin-coin-master-link-download_GM406889139.pdf
- https://www.dc-itsolutions.com/userfiles/files/roblox-gift-card-for-free_GM431946152.pdf
- https://www.dc-itsolutions.com/userfiles/files/free-coin-master-spins-and-coins_GM406889139.pdf
- https://www.dc-itsolutions.com/userfiles/files/coin-master-mod-apk-latest-version-free-download_GM406889139.pdf
- https://www.dc-itsolutions.com/userfiles/files/roblox-lawsuit_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004c73.bin` `e86824b44ef67532f56f599277d39565b295ab3e7b5221fd499a347943830d43`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4C73	27836 bytes
`font_01_sfnt_off00008a79.bin` `450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A79	5696 bytes
`font_02_sfnt_off0000978a.bin` `81fe2106c0d5db37bee378c9af18607d256debaa267bc9b857f52da7d8a402be`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x978A	18592 bytes

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