PDF malware analysis — malicious · 7788d0f184e179ff

MALICIOUS

PDF

35.2 KB Created: 2021-06-27 06:24:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: fc6efb2cde4c3d1b4ec9d6b0677ab79c SHA-1: 29badd000f06e3201bbd834d87457af46778a54a SHA-256: 7788d0f184e179ff02afffb8c5cec2c931871befa19bd13f1dfa3a1cd3576530

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains numerous embedded URLs and a link farm, strongly suggesting it is designed to redirect users to external sites. The document body and extracted URLs indicate a lure for free in-game items and accounts, a common tactic for phishing or malware distribution. The ML classifier and PDF heuristics confirm the malicious nature of the document.

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-account-dantdm-game-hack
- https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/free-t-shirt-roblox_GM431946152.pdf
- https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/daily-coin-master-free-spins_GM406889139.pdf
- https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/coin-master-free-link-daily_GM406889139.pdf
- https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/www-claim-gg-to-earn-free-robux_GM431946152.pdf
- https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/free-robux-codes-2021_GM431946152.pdf
- https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/free-robux-generator-2021-no-survey_GM431946152.pdf
- https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/daily-free-spins-coin-master_GM406889139.pdf
- https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/free-robux-websites-legit_GM431946152.pdf
- https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/minecraft-pe-hacks_GM479516143.pdf
- https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/how-to-hack-minecraft-pe_GM479516143.pdf
- https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/coin-master-free-coins-and-spins-2021_GM406889139.pdf
- https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/how-do-you-get-roblox-money_GM431946152.pdf
- https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/how-to-hack-into-someones-roblox-account_GM431946152.pdf
- https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/how-you-get-free-robux_GM431946152.pdf
- https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/minecraft-pc-free_GM479516143.pdf
- https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/is-tiktok-free-to-use_GM835599320.pdf
- https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/e-free-roblox_GM431946152.pdf
- https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/coin-master-free-spins-link-2021-today_GM406889139.pdf
- https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/coin-master-free-spins-promo-code_GM406889139.pdf
- https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/free-roblox-credit_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_off00003240.bin` `3fa1e1107d17da88c4497462b41daea6e8ede4766722284a5cfd2288a9bab820`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3240	22176 bytes
`font_01_sfnt_off00006373.bin` `8cd7dc7dccbb0247ebcb8a643a1628e3f8366b0ea1532cf2942fbb12863a45d4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6373	19496 bytes

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