PDF malware analysis — malicious · 679dfa030330dbbb

MALICIOUS

PDF

41.9 KB Created: 2021-05-11 12:46:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 816ed7a2e77a4913c92dabe912124961 SHA-1: 255b5b7180493541addb0928946023092c126bf3 SHA-256: 679dfa030330dbbb244934190dfd880aed51a4c59e8bd951fcad642beec095b4

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are hosted on a domain associated with SEO link farming. The document body and extracted URLs suggest a lure for game cheats and hacks, likely intended to lead users to download malware or engage in phishing. The ML classifier strongly indicates malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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/406889139/coinmasterfreespins-game-hack
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-spins-coin-master-without-completing-offers_GM406889139.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/roblox-royale-high-diamond-hack_GM431946152.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coin-master-free-coins-link-2021_GM406889139.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/how-to-get-free-spins-coin-master_GM406889139.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coin-master-free-spin-and-coin_GM406889139.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-spins-and-coins-coin-master_GM406889139.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coin-master-hack-ios-12_GM406889139.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coin-master-hack-app-for-iphone_GM406889139.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/daily-free-spins-coin-master-heaven_GM406889139.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/bad-minecraft-free_GM479516143.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/how-to-make-a-server-in-minecraft-java-for-free_GM479516143.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-coins-coin-master-2021_GM406889139.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/robuxy-com-free-robux_GM431946152.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/roblox-font-free_GM431946152.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/roblox-free-accessories_GM431946152.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-minecraft-gift-codes_GM479516143.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coin-mster-free_GM406889139.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-robux-no-verification-no-survey_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_003_off00004afd.bin` `8916e63e5192703aa0fa4d7c12970861d204fb898e298a94803e61122857844e`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4AFD	24580 bytes
`font_01_sfnt_off00008290.bin` `48872130680f0d6309128a4b322cbb0730700ec4544966fd5aa3d357de7636d5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8290	17980 bytes

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