PDF malware analysis — malicious · d7359c9c02f250b0

MALICIOUS

PDF

43.2 KB Created: 2021-05-17 00:27:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: c0cc2ea8ae6d0389afcade3ff0b5debf SHA-1: a94f925a029da13e4f674391b1ecd84cef6045d8 SHA-256: d7359c9c02f250b0e42a35b573be3cdbd6c2af6d6a8b6cdd28fac2d762e8b759

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains a large number of external links, many of which are related to game cheats and free currency, indicating a link farm or phishing attempt. The heuristic PDF_SEO_LINK_FARM firing confirms the presence of numerous external links, and the ML_NYX_PDF_MALICIOUS model output suggests a high probability of maliciousness. The document body, though heavily obfuscated, contains a URL that aligns with the observed link farm.

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/431946152/robux-free-com-game-hack
- https://www.wellonaindia.com/uploaded_files/userfiles/files/free-robux-no-verification-or-survey-2021_GM431946152.pdf
- https://www.wellonaindia.com/uploaded_files/userfiles/files/coin-master-unlimited-spin-hack-apk_GM406889139.pdf
- https://www.wellonaindia.com/uploaded_files/userfiles/files/how-to-get-free-faces-on-roblox_GM431946152.pdf
- https://www.wellonaindia.com/uploaded_files/userfiles/files/free-spins-for-coin-master-2021_GM406889139.pdf
- https://www.wellonaindia.com/uploaded_files/userfiles/files/free-coin-master-spins-link_GM406889139.pdf
- https://www.wellonaindia.com/uploaded_files/userfiles/files/coin-master-100-spin-slot_GM406889139.pdf
- https://www.wellonaindia.com/uploaded_files/userfiles/files/is-there-a-way-to-get-free-robux_GM431946152.pdf
- https://www.wellonaindia.com/uploaded_files/userfiles/files/coin-master-hack-online-without-human-verification_GM406889139.pdf
- https://www.wellonaindia.com/uploaded_files/userfiles/files/blogger-coin-master-free-spins_GM406889139.pdf
- https://www.wellonaindia.com/uploaded_files/userfiles/files/free-spins-coin-master-links-app_GM406889139.pdf
- https://www.wellonaindia.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-offers_GM431946152.pdf
- https://www.wellonaindia.com/uploaded_files/userfiles/files/coin-master-fun-free-spins_GM406889139.pdf
- https://www.wellonaindia.com/uploaded_files/userfiles/files/coin-master-free-spins-hack-no-human-verification_GM406889139.pdf
- https://www.wellonaindia.com/uploaded_files/userfiles/files/free-spins-on-coin-master-link_GM406889139.pdf
- https://www.wellonaindia.com/uploaded_files/userfiles/files/coin-master-34-4-hack_GM406889139.pdf
- https://www.wellonaindia.com/uploaded_files/userfiles/files/roblox-royale-high-diamond-hack_GM431946152.pdf
- https://www.wellonaindia.com/uploaded_files/userfiles/files/free-coin-spin_GM406889139.pdf
- https://www.wellonaindia.com/uploaded_files/userfiles/files/free-robux-hack-no-human-verification-or-survey_GM431946152.pdf
- https://www.wellonaindia.com/uploaded_files/userfiles/files/free-robux-no-survey-or-human-verification_GM431946152.pdf
- https://www.wellonaindia.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00004a55.bin` `67ce550748718ee70001cad592ac4284f01503b81c2152c581672f773ee2110b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4A55	26792 bytes
`font_01_sfnt_off00008689.bin` `0fd65c317a1abc649e3faff400e4768e1aa7d1dd6ac5589c15474ffa47aab2c1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8689	18276 bytes

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