PDF malware analysis — malicious · 87a04f8f765c19db

MALICIOUS

PDF

44.4 KB Created: 2021-06-02 05:08:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: a14624a0721fc5e74809a7d382370fa1 SHA-1: ce0e09b8b7295af44b38ac7a76a10b8b32381d20 SHA-256: 87a04f8f765c19db1c3524912c9500de3d6396c076bafbe03cf8679538067202

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains numerous embedded links and a call-to-action phrase, strongly suggesting a lure to download malicious content. The ML classifier also flagged this PDF as malicious with high confidence. The document body, though partially corrupted, contains references to game hacking and exploit tutorials, aligning with the observed heuristics.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

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/hack-roblox-tuto-game-hack
- https://hundt-druck.de/wp-content/uploads/fsqm-files/roblox-free-gears-hat-faces-clothes-2_GM431946152.pdf
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-not-fake_GM431946152.pdf
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-robux-for-free-2021_GM431946152.pdf
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-hack-robux-items-for-free_GM431946152.pdf
- https://hundt-druck.de/wp-content/uploads/fsqm-files/roblox-free-roblox-card-codes-2021_GM431946152.pdf
- https://hundt-druck.de/wp-content/uploads/fsqm-files/roblox-btools-hack-2021-october_GM431946152.pdf
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-minecraft-java-edition-for-free_GM479516143.pdf
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-hack-a-roblox-account-easy-2021_GM431946152.pdf
- https://hundt-druck.de/wp-content/uploads/fsqm-files/roblox-glitches-and-cheats-for-lumber-tycoon-2_GM431946152.pdf
- https://hundt-druck.de/wp-content/uploads/fsqm-files/roblox-hack-tool-robux-and-tix_GM431946152.pdf
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-use-nexus-to-hack-in-roblox-royale-high_GM431946152.pdf
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-free-robux-2021_GM431946152.pdf
- https://hundt-druck.de/wp-content/uploads/fsqm-files/play-minecraft-for-free_GM479516143.pdf
- https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-fly-in-roblox-free_GM431946152.pdf
- https://hundt-druck.de/wp-content/uploads/fsqm-files/is-minecraft-dungeons-free_GM479516143.pdf
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-rhs-codes-roblox_GM431946152.pdf
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-for-taylorkittylover1_GM431946152.pdf
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-redeem-codes-for-roblox-builders-club-generator_GM431946152.pdf
- https://hundt-druck.de/wp-content/uploads/fsqm-files/free-minecraft-accounts-2021_GM479516143.pdf
- https://hundt-druck.de/wp-content/uploads/fsqm-files/roblox-free-h-robux_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off0000515a.bin` `63f4d78c20aa3608b803385eba9593c6a66512eda7a978cc2dd2b2d80efeb705`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x515A	24792 bytes
`font_01_sfnt_off00008a53.bin` `c41381fa223c140c7c51b1a918a701332073816ec773bf94e9935055cbff1ca3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A53	18428 bytes

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