PDF malware analysis — malicious · 193a57f44390a8b9

MALICIOUS

PDF

26.7 KB Created: 2021-05-10 19:01:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 72ed3abc3e4c23974a71b68eb7f9ef86 SHA-1: 5d0e0ca03a7056df0165970b7908264d8abf471a SHA-256: 193a57f44390a8b990a6000c0c518e0829b4ab96ea7da5e6be664a67f3b80dfb

100 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a prominent call-to-action to 'CLICK HERE TO ACCESS ROBLOX GENERATOR' and embeds a URL that is flagged as a malicious redirector. This suggests the document is designed to trick users into visiting malicious sites, likely for credential harvesting or malware distribution. No scripts were extracted, but the embedded URL and the heuristic firings strongly indicate a malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9827

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/robuxmatch.con-game-hack In PDF document text
- http://jkcoaching.nl/images/how-to-get-free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
- http://jkcoaching.nl/images/how-to-get-free-robux-as-a-kid_GM431946152.pdfIn PDF document text
- http://jkcoaching.nl/images/roblox-rewards-robux_GM431946152.pdfIn PDF document text
- http://jkcoaching.nl/images/hacks-for-coin-master_GM406889139.pdfIn PDF document text
- http://jkcoaching.nl/images/free-robux-discord_GM431946152.pdfIn PDF document text
- http://jkcoaching.nl/images/minecraft-coins-free_GM479516143.pdfIn PDF document text
- http://jkcoaching.nl/images/minecraft-apk-android-free_GM479516143.pdfIn PDF document text
- http://jkcoaching.nl/images/free-roblox-pin-codes_GM431946152.pdfIn PDF document text
- http://jkcoaching.nl/images/coin-master-invite-friends-free-spins_GM406889139.pdfIn PDF document text
- http://jkcoaching.nl/images/robux-free-robux_GM431946152.pdfIn PDF document text
- http://jkcoaching.nl/images/coin-master-free-chest-link_GM406889139.pdfIn PDF document text
- http://jkcoaching.nl/images/free-minecraft-skin-creator_GM479516143.pdfIn PDF document text
- http://jkcoaching.nl/images/free-robux-site_GM431946152.pdfIn PDF document text
- http://jkcoaching.nl/images/hack-coin-master-2021_GM406889139.pdfIn PDF document text
- http://jkcoaching.nl/images/all-links-for-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://jkcoaching.nl/images/free-minecraft-windows-10-with-java_GM479516143.pdfIn PDF document text
- http://jkcoaching.nl/images/how-to-get-free-robux-on-roblox-2021_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
`font_00_sfnt_off00001ce0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1CE0	19172 bytes
SHA-256: `0960a438bb9f7eb42ecc683108b8dfba3651f451ece6d6d462ed820aa15f8a82`
`font_01_sfnt_off0000449d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x449D	18672 bytes
SHA-256: `b3ad435d94df059fa4f5f4039152be4ff635e0c8c599297d8dd6c4123da1a60e`

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