PDF malware analysis — malicious · 8c2e017e0cfd07e4

MALICIOUS

PDF

43.7 KB Created: 2021-05-15 10:54:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: e8a9445e2725afdd9a21e0e6e82dd0a6 SHA-1: 5beabe93360b68bc81910bbe210017328ad28fa7 SHA-256: 8c2e017e0cfd07e4d1e75e315b90a40b63f7f8a48a1b23b1fb5ad8540ca1a9d9

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs, many of which are structured as SEO-optimized links to other PDF documents, suggesting a link farm or content aggregation strategy. The presence of a 'download button' heuristic and the ML classifier's high confidence score indicate malicious intent. The document body, though partially corrupted, contains references to game-related downloads and URLs, reinforcing the lure of free in-game items or hacks.

Machine Learning

Nyx PDF Classifier malicious score 0.9969

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/mcpe-master-unlimited-coins-free-download-game-hack
- http://bishopdiego.org/images/free-ways-to-get-robux_GM431946152.pdf
- http://bishopdiego.org/images/coin-master-free-spins-2021-no-human-verification_GM406889139.pdf
- http://bishopdiego.org/images/will-minecraft-ever-be-free_GM479516143.pdf
- http://bishopdiego.org/images/coin-master-game-hack_GM406889139.pdf
- http://bishopdiego.org/images/free-robux-website_GM431946152.pdf
- http://bishopdiego.org/images/coin-master-daily-free-spins-link-today_GM406889139.pdf
- http://bishopdiego.org/images/how-to-hack-a-roblox-account-2021_GM431946152.pdf
- http://bishopdiego.org/images/xray-hack_GM479516143.pdf
- http://bishopdiego.org/images/coin-master-hack-spins-and-coins-unlimited-free_GM406889139.pdf
- http://bishopdiego.org/images/minecraft-java-edition-free-code_GM479516143.pdf
- http://bishopdiego.org/images/how-to-get-free-spins-in-coin-master_GM406889139.pdf
- http://bishopdiego.org/images/minecraft-creative-mode-free_GM479516143.pdf
- http://bishopdiego.org/images/can-you-get-free-robux-on-roblox_GM431946152.pdf
- http://bishopdiego.org/images/comapp-trekfree-coin-spindaily-link-master_GM406889139.pdf
- http://bishopdiego.org/images/coin-master-free-fire_GM406889139.pdf
- http://bishopdiego.org/images/minecraft-xbox-one-edition-digital-code-free_GM479516143.pdf
- http://bishopdiego.org/images/no-verification-coin-master-hack_GM406889139.pdf
- http://bishopdiego.org/images/coin-master-fan-club_GM406889139.pdf
- http://bishopdiego.org/images/coin-master-free-link-facebook_GM406889139.pdf
- http://bishopdiego.org/images/coin-master-daily-free-spins-hack_GM406889139.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_off000047da.bin` `548389b57d9bd789eb534c6eb05ef82bb7f0a53ec05f5c44828b215cc6a38fcc`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x47DA	27108 bytes
`font_01_sfnt_off000086af.bin` `2495d9bbdfbd41392a26722b7d1029a4e9132e22aa6e9b8d4c4744142e94adf7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x86AF	18912 bytes

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