PDF malware analysis — malicious · 4136ba984a60110d

MALICIOUS

PDF

42.2 KB Created: 2021-05-11 02:40:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16

MD5: 73a55f6c24f6ee48067c70851bc206a5 SHA-1: c50e9847b34f4b1850528592d98adac9f0428b6f SHA-256: 4136ba984a60110dde33b644101a074609dd91540d1ca171ee2310e2037ef302

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was identified as malicious by an ML classifier and contains a significant number of external links, many pointing to other PDF files. The document body and extracted URLs suggest a lure for users seeking game cheats or hacks, likely leading them to download further malicious content. The presence of embedded URLs and the link farm heuristic indicate an attempt to direct users to malicious resources, potentially for further exploitation or malware delivery.

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-master-hack-uk-game-hack PDF link annotation
- https://diendientuvn.com/public/upload/files/coin-master-free-coins-and-spins-daily_GM406889139.pdfIn PDF document text
- https://diendientuvn.com/public/upload/files/coin-master-spin-hack-link_GM406889139.pdfIn PDF document text
- https://diendientuvn.com/public/upload/files/free-roblox-passwords_GM431946152.pdfIn PDF document text
- https://diendientuvn.com/public/upload/files/free-robux-generator-for-kids_GM431946152.pdfIn PDF document text
- https://diendientuvn.com/public/upload/files/get-free-cards-coin-master_GM406889139.pdfIn PDF document text
- https://diendientuvn.com/public/upload/files/robux-matchcomfree-robux_GM431946152.pdfIn PDF document text
- https://diendientuvn.com/public/upload/files/coin-master-get-free-spins_GM406889139.pdfIn PDF document text
- https://diendientuvn.com/public/upload/files/free-role-in-coin-master_GM406889139.pdfIn PDF document text
- https://diendientuvn.com/public/upload/files/coin-master-free-spins-cheat_GM406889139.pdfIn PDF document text
- https://diendientuvn.com/public/upload/files/free-spins-coin-master-2021-app_GM406889139.pdfIn PDF document text
- https://diendientuvn.com/public/upload/files/roblox-free-login_GM431946152.pdfIn PDF document text
- https://diendientuvn.com/public/upload/files/roblox-top_GM431946152.pdfIn PDF document text
- https://diendientuvn.com/public/upload/files/how-to-hack-any-roblox-account_GM431946152.pdfIn PDF document text
- https://diendientuvn.com/public/upload/files/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
- https://diendientuvn.com/public/upload/files/play-coin-master-for-free_GM406889139.pdfIn PDF document text
- https://diendientuvn.com/public/upload/files/coin-master-hack-using-cheat-engine_GM406889139.pdfIn PDF document text
- https://diendientuvn.com/public/upload/files/how-to-get-free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
- https://diendientuvn.com/public/upload/files/coin-master-blogspot-links_GM406889139.pdfIn PDF document text
- https://diendientuvn.com/public/upload/files/how-to-get-free-robux-without-doing-anything-2021_GM431946152.pdfIn PDF document text
- https://diendientuvn.com/public/upload/files/how-to-make-a-minecraft-server-for-free-java_GM479516143.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
`stream_003_off00004d01.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4D01	24324 bytes
SHA-256: `5e61a901b42dead35a081959cb317223655dc49f5edd9c840611fa4978a6359b`
`font_01_sfnt_off00008378.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8378	17900 bytes
SHA-256: `8b08286b39ee800793478ac05285a8a4a04206bc09703d5245a76d9c2305ab31`

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