PDF malware analysis — malicious · 09ef5d84f7520259

MALICIOUS

PDF

32.3 KB Created: 2021-06-20 03:24:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: ec7137e79012cf682a9469b6fe5756d3 SHA-1: d71cb5a891b79164096b83b5ea3547733ce97036 SHA-256: 09ef5d84f7520259357cd3a0c51228e717e0f19d8d93b48bbe5194df7e6ead23

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous links to external websites, many of which are SEO-optimized for game-related hacks and free currency. The presence of a "download button" lure and the ML classifier's high confidence score indicate a malicious intent. The document likely serves as a lure to redirect users to malicious sites that may host malware or phishing content.

Machine Learning

Nyx PDF Classifier malicious score 0.9824

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 http://netcdn.co/app/431946152/10-euro-roblox-karte-free-game-hack
- http://lesvossolidarity.org/images/hack-coin-master-free-spins_GM406889139.pdf
- http://lesvossolidarity.org/images/easy-robux-hacks-2021_GM431946152.pdf
- http://lesvossolidarity.org/images/hack-para-tener-dinero-en-roblox_GM431946152.pdf
- http://lesvossolidarity.org/images/game-coin-master-hack_GM406889139.pdf
- http://lesvossolidarity.org/images/how-to-get-minecraft-for-free-on-xbox_GM479516143.pdf
- http://lesvossolidarity.org/images/coin-master-free-spin-link-app_GM406889139.pdf
- http://lesvossolidarity.org/images/hacks-to-get-free-robux_GM431946152.pdf
- http://lesvossolidarity.org/images/hack-coin-master-without-verification_GM406889139.pdf
- http://lesvossolidarity.org/images/blox-supply-free-robux_GM431946152.pdf
- http://lesvossolidarity.org/images/tryrbx-site-free-robux_GM431946152.pdf
- http://lesvossolidarity.org/images/how-to-get-a-free-minecraft-account_GM479516143.pdf
- http://lesvossolidarity.org/images/coin-master-free-spins-link-today-instagram_GM406889139.pdf
- http://lesvossolidarity.org/images/bloxpink-free-robux_GM431946152.pdf
- http://lesvossolidarity.org/images/how-to-get-java-minecraft-for-free_GM479516143.pdf
- http://lesvossolidarity.org/images/how-to-get-tiktok-famous-free_GM835599320.pdf
- http://lesvossolidarity.org/images/is-minecraft-free-on-nintendo-switch_GM479516143.pdf
- http://lesvossolidarity.org/images/lazy-blocks-com-free-robux_GM431946152.pdf
- http://lesvossolidarity.org/images/easy-robux-hack_GM431946152.pdf
- http://lesvossolidarity.org/images/coin-master-hack-mod-apk-free-download_GM406889139.pdf
- http://lesvossolidarity.org/images/coin-master-free-daily-rewards_GM406889139.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_off00002951.bin` `ca90276271e19471bde4d13df898c6a364ca954c3295f1a14f48122be957e3cd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2951	21752 bytes
`font_01_sfnt_off000058dc.bin` `f94eec8aface4bf6c8d3eb34e913a0edfd2aa49dad9df034f3b0770828d56e66`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x58DC	19172 bytes

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