PDF malware analysis — malicious · d36426e5fe78fe87

MALICIOUS

PDF

43.5 KB Created: 2021-05-16 10:32:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 52a58ac03f42b4de65a45bb1789f85d8 SHA-1: a6109987de42d66ad0de31cc798b5fef0b632c64 SHA-256: d36426e5fe78fe87d45e90a675245c522be7f41de88d153977d670a27492c707

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains numerous external links, many of which are structured as a link farm, suggesting an attempt to drive traffic to potentially malicious sites. The ML classifier strongly flagged this PDF as malicious, and the presence of URLs related to game hacks and free in-game currency indicates a lure for users to download or visit compromised resources. The document's structure and content align with a phishing or malware distribution scheme.

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/479516143/windows-10-minecraft-hacks-game-hack
- https://wandersuechtig.de/images/minecraft-education-edition-free_GM479516143.pdf
- https://wandersuechtig.de/images/how-to-get-roblox-credit-for-free_GM431946152.pdf
- https://wandersuechtig.de/images/can-you-get-robux-for-free_GM431946152.pdf
- https://wandersuechtig.de/images/coin-master-spin-link-today_GM406889139.pdf
- https://wandersuechtig.de/images/roblox-free-robux-no-verification_GM431946152.pdf
- https://wandersuechtig.de/images/where-to-get-free-robux_GM431946152.pdf
- https://wandersuechtig.de/images/easy-ways-to-get-free-robux_GM431946152.pdf
- https://wandersuechtig.de/images/coin-master-free-spin-link-app_GM406889139.pdf
- https://wandersuechtig.de/images/free-pet-food-for-coin-master_GM406889139.pdf
- https://wandersuechtig.de/images/roblox-2021-hack_GM431946152.pdf
- https://wandersuechtig.de/images/coin-master-hack-cheat-generator-d_GM406889139.pdf
- https://wandersuechtig.de/images/roblox-free-clothes-codes_GM431946152.pdf
- https://wandersuechtig.de/images/make-free-robux_GM431946152.pdf
- https://wandersuechtig.de/images/how-to-get-free-robux-inspect_GM431946152.pdf
- https://wandersuechtig.de/images/coin-master-cheat-engine-hack_GM406889139.pdf
- https://wandersuechtig.de/images/minecraft-sign-up-free_GM479516143.pdf
- https://wandersuechtig.de/images/minecraft-pocket-edition-free_GM479516143.pdf
- https://wandersuechtig.de/images/minecraft-hacks-list_GM479516143.pdf
- https://wandersuechtig.de/images/minecraft-wurst_GM479516143.pdf
- https://wandersuechtig.de/images/free-minecraft-client_GM479516143.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_off000049b0.bin` `95194045636c065bc5317843dac15f1823256652a971033ed7f34b53aced48c8`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x49B0	27432 bytes
`font_01_sfnt_off0000868e.bin` `404a6a828e36ead2d4cd56abe684579086ad140455fa529c5546af7349081cf7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x868E	18696 bytes

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