PDF malware analysis — malicious · b7f5e89b9a3c406c

MALICIOUS

PDF

44.5 KB Created: 2021-05-15 05:38:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-22

MD5: a77978cc77ac4afa0b44c1db3e011e43 SHA-1: 28e7aa1085e355e84a30eb3d15121ff1e06fb0af SHA-256: b7f5e89b9a3c406cc168fef3c637fcd9ce80ee8d99b56aef3c9b9b022f6ca55e

100 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains embedded links and document body text promoting free Robux, a common lure for scams. The critical heuristic firing indicates a link to known malicious redirector infrastructure, specifically 'https://netcdn.xyz/app/431946152/robuxlove-.net-free-robux-game-hack'. This suggests the document is designed to redirect users to potentially harmful websites, likely for credential harvesting or malware distribution.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 3

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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
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/robuxlove-.net-free-robux-game-hack In PDF document text
- http://www.alsultantrading.ae/userfiles/files/free-free-robux_GM431946152.pdfIn PDF document text
- http://www.alsultantrading.ae/userfiles/files/coin-master-daily-bonus_GM406889139.pdfIn PDF document text
- http://www.alsultantrading.ae/userfiles/files/roblox-script-hacks_GM431946152.pdfIn PDF document text
- http://www.alsultantrading.ae/userfiles/files/how-to-get-free-pet-snacks-in-coin-master_GM406889139.pdfIn PDF document text
- http://www.alsultantrading.ae/userfiles/files/free-robux-with-no-verification_GM431946152.pdfIn PDF document text
- http://www.alsultantrading.ae/userfiles/files/roblox-hacks-com_GM431946152.pdfIn PDF document text
- http://www.alsultantrading.ae/userfiles/files/google-roblox-games_GM431946152.pdfIn PDF document text
- http://www.alsultantrading.ae/userfiles/files/but-link-says-free-robux_GM431946152.pdfIn PDF document text
- http://www.alsultantrading.ae/userfiles/files/coin-master-free-link-app_GM406889139.pdfIn PDF document text
- http://www.alsultantrading.ae/userfiles/files/coin-master-daily-bonus-hack_GM406889139.pdfIn PDF document text
- http://www.alsultantrading.ae/userfiles/files/minecraft-handbook_GM479516143.pdfIn PDF document text
- http://www.alsultantrading.ae/userfiles/files/how-to-get-free-clothing-on-roblox_GM431946152.pdfIn PDF document text
- http://www.alsultantrading.ae/userfiles/files/coin-master-free-spain_GM406889139.pdfIn PDF document text
- http://www.alsultantrading.ae/userfiles/files/robux-hack-generator_GM431946152.pdfIn PDF document text
- http://www.alsultantrading.ae/userfiles/files/how-to-make-a-free-minecraft-account_GM479516143.pdfIn PDF document text
- http://www.alsultantrading.ae/userfiles/files/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
- http://www.alsultantrading.ae/userfiles/files/best-minecraft-hacked-client_GM479516143.pdfIn PDF document text
- http://www.alsultantrading.ae/userfiles/files/coin-master-hack-pc-free_GM406889139.pdfIn PDF document text
- http://www.alsultantrading.ae/userfiles/files/how-to-hack-coin-master-game-2021_GM406889139.pdfIn PDF document text
- http://www.alsultantrading.ae/userfiles/files/dailyrobux_GM431946152.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_off000047fb.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x47FB	28828 bytes
SHA-256: `8308c3c6dab539e69caf76ea09abb0f2128b28045d94d1fd6aad349685d2f1a7`
`font_01_sfnt_off00008b56.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8B56	18372 bytes
SHA-256: `65db4e182113fd1a8aa6d8046ef53f92d54fa7b6a505b130f920b75136a01eb1`

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