PDF malware analysis — malicious · 12a43c19f6e26fe8

MALICIOUS

PDF

44.5 KB Created: 2021-06-04 01:13:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: d6b9c29b321448dc265085ad6623c5f0 SHA-1: ed087939ef436fa65a616b9c473a71f292c66185 SHA-256: 12a43c19f6e26fe8f879298fbc4fe4e9448882b2ae6c58d840cccacb03371373

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded links, many of which are structured as SEO-friendly slugs pointing to external resources. The presence of a "download button" lure and the ML classifier's high confidence score indicate a malicious intent. The primary goal appears to be directing users to external sites, likely for SEO spam or to host further malicious content, rather than direct exploitation within the PDF itself.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

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.online/app/431946152/how-do-u-hack-roblox-game-hack
- https://opac.itp.ac.id/repository/wwwcoin-master-hack-apk_GM406889139.pdf
- https://opac.itp.ac.id/repository/how-can-i-play-minecraft-for-free_GM479516143.pdf
- https://opac.itp.ac.id/repository/free-roblox-cards-pin-number_GM431946152.pdf
- https://opac.itp.ac.id/repository/free-robux-no-survey-or-human-verification_GM431946152.pdf
- https://opac.itp.ac.id/repository/free-robux-games-that-actually-work-2021_GM431946152.pdf
- https://opac.itp.ac.id/repository/coin-master-daily-free-spins-link-today-haktuts_GM406889139.pdf
- https://opac.itp.ac.id/repository/coin-master-free-cards-link-2021_GM406889139.pdf
- https://opac.itp.ac.id/repository/coin-master-free-spins-no-generator_GM406889139.pdf
- https://opac.itp.ac.id/repository/codes-to-get-free-robux_GM431946152.pdf
- https://opac.itp.ac.id/repository/coin-master-free-spin-today_GM406889139.pdf
- https://opac.itp.ac.id/repository/free-spins-coin-master_GM406889139.pdf
- https://opac.itp.ac.id/repository/bloxpink-free-robux_GM431946152.pdf
- https://opac.itp.ac.id/repository/coin-master-free-spins-link-2021-today_GM406889139.pdf
- https://opac.itp.ac.id/repository/free-minecraft-coins_GM479516143.pdf
- https://opac.itp.ac.id/repository/coin-master-34-4-hack_GM406889139.pdf
- https://opac.itp.ac.id/repository/coin-master-hack-version-2021_GM406889139.pdf
- https://opac.itp.ac.id/repository/where-to-get-free-robux_GM431946152.pdf
- https://opac.itp.ac.id/repository/free-robux-games-on-roblox_GM431946152.pdf
- https://opac.itp.ac.id/repository/coin-master-online-hack_GM406889139.pdf
- https://opac.itp.ac.id/repository/roblox-hack_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_off0000504e.bin` `38c78025fed3d32f75bb5aeebfb44ab5606dfb30a52b99a914dc0f5cc04b5d35`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x504E	25052 bytes
`font_01_sfnt_off000089b0.bin` `24715886d6b8435fb8a33d258b866203ee2974827a311e3ab6dcb36e4a196b9f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x89B0	18700 bytes

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