PDF malware analysis — malicious · a8b3fd57ad67eeb1

MALICIOUS

PDF

33.5 KB Created: 2021-06-30 04:02:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15

MD5: e3b745d1daa5ccbee920a5e8828595aa SHA-1: 86040a2023cd1aea69329b490d68da6636452df5 SHA-256: a8b3fd57ad67eeb1f17338a89d258bc662e91242ad8a08c462c259014bcbc8b6

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 SEO-optimized and appear to be part of a link farm, suggesting a deceptive purpose. The document body and extracted URLs indicate a lure for game-related cheats and free items, likely to trick users into downloading malware or visiting malicious sites. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a deceptive download lure.

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-items-code-on-roblox-game-hack PDF link annotation
- https://amiranet.com.br/files/files/hacks-for-coin-master-game_GM406889139.pdfIn PDF document text
- https://amiranet.com.br/files/files/uprobuxcom-free-robux_GM431946152.pdfIn PDF document text
- https://amiranet.com.br/files/files/free-spin-coin-master-2021-link_GM406889139.pdfIn PDF document text
- https://amiranet.com.br/files/files/roblox-emergency-response-liberty-county-hack_GM431946152.pdfIn PDF document text
- https://amiranet.com.br/files/files/coin-master-free-spins-promo-code_GM406889139.pdfIn PDF document text
- https://amiranet.com.br/files/files/how-do-i-get-robux_GM431946152.pdfIn PDF document text
- https://amiranet.com.br/files/files/free-roblox-accounts-with-obc-2021-discord_GM431946152.pdfIn PDF document text
- https://amiranet.com.br/files/files/boku-no-roblox-working-hack-script_GM431946152.pdfIn PDF document text
- https://amiranet.com.br/files/files/get-free-items-roblox-pastebin_GM431946152.pdfIn PDF document text
- https://amiranet.com.br/files/files/apps-for-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://amiranet.com.br/files/files/coin-master-daily-free-rewards_GM406889139.pdfIn PDF document text
- https://amiranet.com.br/files/files/how-to-get-roblox-premium-for-free-2021_GM431946152.pdfIn PDF document text
- https://amiranet.com.br/files/files/coin-master-freebies-2021_GM406889139.pdfIn PDF document text
- https://amiranet.com.br/files/files/free-roblox-merch-from-games_GM431946152.pdfIn PDF document text
- https://amiranet.com.br/files/files/free-spins-and-coins-coin-master-2021-link_GM406889139.pdfIn PDF document text
- https://amiranet.com.br/files/files/games-like-roblox-free-download_GM431946152.pdfIn PDF document text
- https://amiranet.com.br/files/files/how-do-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
- https://amiranet.com.br/files/files/free-stob-in-roblox_GM431946152.pdfIn PDF document text
- https://amiranet.com.br/files/files/how-to-hack-a-roblox-account-easy_GM431946152.pdfIn PDF document text
- https://amiranet.com.br/files/files/roblox-adopt-me-hack_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00002e95.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E95	21352 bytes
SHA-256: `e3c579bd5b57b415ac5a697c795783e60c659a74ad961624e86231242d97447d`
`font_01_sfnt_off00005d39.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5D39	19188 bytes
SHA-256: `7556f35294e714ff48b60366f3ae3412522b2474ce035fb963a842154297b6a5`

Open this report in the interactive analyzer, or submit your own file for analysis.