PDF malware analysis — malicious · 980aa9faf5c6fe58

MALICIOUS

PDF

35.7 KB Created: 2021-06-17 18:11:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 42c2db40d273ce8807b49d7ee6f1fa19 SHA-1: 22f989fad8f3116aefedd7201c2acf3d822e4b09 SHA-256: 980aa9faf5c6fe58e8c400d1936811b1f8c19655d2579ed24b95c073e7908ed9

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous embedded links, including one to 'netcdn.co', which are designed to trick users into downloading or accessing potentially malicious content. The document body and extracted URLs suggest a lure related to free game hacks and in-game currency, a common social engineering tactic. The ML classifier also strongly indicated maliciousness.

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/roblox-free-game-free-to-play-game-hack
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/how-to-get-free-robux-on-mobile_GM431946152.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/huskybuscom-free-robux_GM431946152.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/tiktok-free-google-home-mini_GM835599320.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-robux-group_GM431946152.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-robux-without-verification-2021_GM431946152.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coin-master-daily-free-spins-hack_GM406889139.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/does-coin-master-hack-work_GM406889139.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-robux-just-enter-username_GM431946152.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coin-master-free-spins-link-blogspot_GM406889139.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coin-master-free-spins-2021-blogspot_GM406889139.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-spins-on-coin-master-hack_GM406889139.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/mcpe-master-hack-coins_GM406889139.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/daily-free-spin-coin-master-link_GM406889139.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/how-to-get-minecraft-java-edition-for-free_GM479516143.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/hack-minecraft_GM479516143.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/roblox-promo-codes-free-robux_GM431946152.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/20210-robux-promo-code-free_GM431946152.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/how-to-hack-roblox-accounts-passwords_GM431946152.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coin-master-hack-apk-july-2021_GM406889139.pdf
- https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coin-master-hack-ios-12_GM406889139.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_off00003440.bin` `b0417d18b72b5b5f9af8f06a893897f9e215ed7f640cdf73fad72d1b6f21e1cc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3440	22616 bytes
`font_01_sfnt_off000066bf.bin` `fd920849ec5b572b5595c59946a3f3720ddd74b40dc4d930cbc5a7374a91f3dd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x66BF	19060 bytes

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