PDF malware analysis — malicious · cd0680451d913eb9

MALICIOUS

PDF

46.6 KB Created: 2021-06-09 16:45:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 3ccf0d6296e08ceff9c20d35a5c4b40f SHA-1: 4d677bf811fc2bd9f6dfc8d7cf04baec801ede79 SHA-256: cd0680451d913eb9d230e130848f393a37b7a86d38c14465e7553cb374cca7a0

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains numerous external links, many of which point to other PDF files hosted on the same domain, suggesting a link farm or SEO abuse tactic. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were directly extracted, the PDF structure and embedded links indicate a malicious workflow, likely involving the redirection of users to potentially harmful content or further malicious downloads.

Machine Learning

Nyx PDF Classifier malicious score 0.9832

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.tw/app/431946152/cool-roblox-avatars-boy-free-game-hack
- https://taxandmore.nl/wp-content/uploads/fsqm-files/roblox-how-to-hack-into-anybodys-account_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/como-hackear-cuentas-de-roblox-real_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-to-hack-someones-roblox-account_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/best-app-to-get-free-robux_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-to-hack-on-roblox-in_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-wings-of-liberty-roblox_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-to-get-builders-club-on-roblox-for-free-2021_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/speed-hack-roblox-cheat-engine-62_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/roblox-free-robux_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-to-hack-roblox-accounts_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-robux-only-code-hack_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/noob-vs-pro-vs-hacker-vs-god-roblox-jailbreak_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/i-love-cats-shirt-roblox-free-denis_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-of-roblox-accounts_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-robux-no-generator-no-survey_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/roblox-level-7-executor-free_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-to-get-free-shirts-in-roblox_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/roblox-jailbreak-noclip-hack-download-in-description-patched_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-robux-site_GM431946152.pdf
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-to-get-free-vip-in-miner-tycoon-roblox_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off000053c2.bin` `f56cae438e75380cb72415c106d4a0b18cd512441ac817b97dad1c181b24f591`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x53C2	27108 bytes
`font_01_sfnt_off000092ac.bin` `a16fa2ae3f6efc3a07d36292ab42abf1eb040ceac9183863ee991482cbc76f58`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x92AC	18572 bytes

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