PDF malware analysis — malicious · 5ac10dbec5e81f54

MALICIOUS

PDF

42.2 KB Created: 2021-05-12 15:30:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 71a0040307083de2146781965333f15f SHA-1: 79b844f6aca124ca7b99ccd817a9110b11f66b44 SHA-256: 5ac10dbec5e81f54baf458da7278b026354a13bab5e3090e6c8449baf8fbcc5d

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various game-related hack sites. The ML_NYX_PDF_MALICIOUS heuristic also flagged this document with high confidence. The embedded document body text, though heavily obfuscated, contains references to URLs that are likely part of a link farm or SEO spam campaign, aiming to drive traffic to malicious or scam-related content.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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/coin-spin-link-game-hack
- http://skwolcott.com/images/get-free-robux-2021_GM431946152.pdf
- http://skwolcott.com/images/earn-robux-by-watching-ads_GM431946152.pdf
- http://skwolcott.com/images/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdf
- http://skwolcott.com/images/robux-free-promo-codes_GM431946152.pdf
- http://skwolcott.com/images/coin-master-spin-hack_GM406889139.pdf
- http://skwolcott.com/images/free-coin-master-hacks-no-verification-or-survey_GM406889139.pdf
- http://skwolcott.com/images/how-to-get-more-robux_GM431946152.pdf
- http://skwolcott.com/images/coin-master-hacks-for-free-spins_GM406889139.pdf
- http://skwolcott.com/images/how-to-actually-get-free-robux_GM431946152.pdf
- http://skwolcott.com/images/free-spins-coin-master-apple_GM406889139.pdf
- http://skwolcott.com/images/coin-master-free-spin-facebook-link_GM406889139.pdf
- http://skwolcott.com/images/hack-xp-net-coin-master_GM406889139.pdf
- http://skwolcott.com/images/roblox-free-robux-website_GM431946152.pdf
- http://skwolcott.com/images/how-to-earn-free-stars-on-coin-master_GM406889139.pdf
- http://skwolcott.com/images/coinmaster-spin-ml_GM406889139.pdf
- http://skwolcott.com/images/spin-hack-for-coin-master_GM406889139.pdf
- http://skwolcott.com/images/haktuts-coin-master-free-daily-spins_GM406889139.pdf
- http://skwolcott.com/images/free-spins-for-coin-master-on-1-19-19_GM406889139.pdf
- http://skwolcott.com/images/link-for-free-spins-on-coin-master_GM406889139.pdf
- http://skwolcott.com/images/coin-master-free-spins-generator-no-human-verification_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_off00004a60.bin` `a535892323a4a4d810dbc167ff6888d20c88b738d780d07bbe6c764987085601`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A60	25560 bytes
`font_01_sfnt_off00008502.bin` `57c3f12a958430de31c97b672903314b9fe75859d953f53ff1226b802a2302e7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8502	17560 bytes

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