PDF malware analysis — malicious · d0043b87f136a43f

MALICIOUS

PDF

41.5 KB Created: 2021-05-14 15:32:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: b1ce9698ea07dc071b4046f0ffbc4b54 SHA-1: 30c14b1f245798745376f7c7d3ba9a0da3bda0b6 SHA-256: d0043b87f136a43f9d6c1a1f778abd5e5d9c923060de5ceb388c566605a1c77f

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was generated by wkhtmltopdf and contains a large number of external links, many of which are SEO-optimized PDF slugs. The document body and extracted URLs suggest a lure for free spins or game hacks for popular games like Coin Master and Roblox. The ML classifier strongly indicated maliciousness, and the PDF_SEO_LINK_FARM heuristic confirms the presence of a link farm designed to direct users to potentially malicious 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-master-free-spins-without-human-verification-game-hack
- https://ogm-goettingen.de/images/apps-to-get-free-robux_GM431946152.pdf
- https://ogm-goettingen.de/images/coin-master-free-spins-no-survey_GM406889139.pdf
- https://ogm-goettingen.de/images/coin-master-hack-game-download-mod-apk_GM406889139.pdf
- https://ogm-goettingen.de/images/free-promo-codes-for-robux_GM431946152.pdf
- https://ogm-goettingen.de/images/how-do-you-get-roebucks_GM431946152.pdf
- https://ogm-goettingen.de/images/chisel-and-bits-mod-minecraft-pe_GM479516143.pdf
- https://ogm-goettingen.de/images/mcpe-download_GM479516143.pdf
- https://ogm-goettingen.de/images/is-roblox-free-on-nintendo-switch_GM431946152.pdf
- https://ogm-goettingen.de/images/http-appsmob-info-coin-master-hack_GM406889139.pdf
- https://ogm-goettingen.de/images/coin-master-hackcom-xyz_GM406889139.pdf
- https://ogm-goettingen.de/images/blogspot-coin-master-spins_GM406889139.pdf
- https://ogm-goettingen.de/images/codes-to-get-free-robux_GM431946152.pdf
- https://ogm-goettingen.de/images/coin-master-hack-xyz-apk-download_GM406889139.pdf
- https://ogm-goettingen.de/images/daily-free-spins-coin-master_GM406889139.pdf
- https://ogm-goettingen.de/images/how-to-get-free-tokens-in-minecraft-ps4_GM479516143.pdf
- https://ogm-goettingen.de/images/daily-free-spins-coin-master-2021_GM406889139.pdf
- https://ogm-goettingen.de/images/how-to-get-free-robux-on-roblox-2021_GM431946152.pdf
- https://ogm-goettingen.de/images/how-to-get-free-robux-easy-hack_GM431946152.pdf
- https://ogm-goettingen.de/images/coin-master-hack-uk_GM406889139.pdf
- https://ogm-goettingen.de/images/real-coin-master-hack-2021_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_off00004847.bin` `93c2049c4dbc0b090ab090b0eb81b4812c5c90d02d2c0cf410011a6174ca6593`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4847	23816 bytes
`font_01_sfnt_off00007e75.bin` `3da53c4bcca0cb9d244bcc93ce65d6bea763e6ea7e90cffc4ca77df440db5a96`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7E75	18784 bytes

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