PDF malware analysis — malicious · fa6882542f41a414

MALICIOUS

PDF

48.9 KB Created: 2021-05-15 06:58:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 8b6b81e75f8cdd1b5a676b3ab51db019 SHA-1: d39dac2c592f2205f15568fa60c221804dd72fe5 SHA-256: fa6882542f41a4149f9c21ccb8f88413fef74fbb6b977b1c9d30447865ca9e19

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The document contains lures for advance-fee scams, specifically related to earning in-game currency like Robux. It embeds external URIs pointing to websites that likely host phishing content or malware. The ML classifier also flagged this PDF as malicious, supporting the scam-based attack pattern.

Machine Learning

Nyx PDF Classifier malicious score 0.8642

Heuristics 4

Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE

Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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/how-to-earn-robux-on-roblox-game-hack
- http://stroybelan.ru/images/ways-to-earn-robux_GM431946152.pdf
- http://stroybelan.ru/images/freespinandcoin-blogspot-coin-master_GM406889139.pdf
- http://stroybelan.ru/images/coin-master-hack-2021_GM406889139.pdf
- http://stroybelan.ru/images/haktuts-coin-master-free-spins_GM406889139.pdf
- http://stroybelan.ru/images/free-robux-com-roblox_GM431946152.pdf
- http://stroybelan.ru/images/links-for-free-spins-for-coin-master_GM406889139.pdf
- http://stroybelan.ru/images/minecraft-mac-free_GM479516143.pdf
- http://stroybelan.ru/images/how-to-get-free-robux-on-roblox-2021_GM431946152.pdf
- http://stroybelan.ru/images/coin-master-free-spin-best-link_GM406889139.pdf
- http://stroybelan.ru/images/coin-master-hack-unlimited-spins-apk-download_GM406889139.pdf
- http://stroybelan.ru/images/how-to-get-minecraft-for-free-on-iphone-2021_GM479516143.pdf
- http://stroybelan.ru/images/coin-master-gold-cards-free-link_GM406889139.pdf
- http://stroybelan.ru/images/free-daily-spins-coin-master_GM406889139.pdf
- http://stroybelan.ru/images/how-to-hack-peoples-roblox-accounts_GM431946152.pdf
- http://stroybelan.ru/images/free-robux-without-verify_GM431946152.pdf
- http://stroybelan.ru/images/real-robux-codes_GM431946152.pdf
- http://stroybelan.ru/images/coin-master-free-coins-and-spins-daily_GM406889139.pdf
- http://stroybelan.ru/images/www-rubux_GM431946152.pdf
- http://stroybelan.ru/images/coin-master-hack-ios-no-jailbreak_GM406889139.pdf
- http://stroybelan.ru/images/coin-master-free-spin-codes_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off000048fb.bin` `6afa5b16e59bc6bc7569838ac4a64c55dfe332a8c0808036d7ac88fdb8ce32c0`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x48FB	26276 bytes
`font_01_sfnt_off00008580.bin` `972979c3a46100cf5f8fd289bc6fbd2496ff75fec0e3f6753648c72ec6eba714`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8580	2820 bytes
`font_02_sfnt_off00008f1b.bin` `450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F1B	5696 bytes
`font_03_sfnt_off00009c2d.bin` `648fa2b30230dc2606705c3a90d8924a9412c1d260df5319690c757a03f83928`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9C2D	18316 bytes

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