PDF malware analysis — malicious · 650c5eed1d775c35

MALICIOUS

PDF

47.0 KB Created: 2021-06-01 11:56:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: e57762e33a0c468830f7c3315a5897f5 SHA-1: 8c3d425e842349d13eb23563b0f3cc220e03e024 SHA-256: 650c5eed1d775c35b3784f507abf13fc7f493ea20f2f1cc181dc50dff29963a4

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a lure related to game hacks, specifically for Roblox, directing users to a malicious URL. The ML classifier strongly flagged this PDF as malicious, and multiple heuristics indicate the presence of external links designed to deceive users into downloading potentially harmful content. No scripts were extracted, but the document's structure and embedded links suggest it's part of a phishing or malware distribution campaign.

Machine Learning

Nyx PDF Classifier malicious score 0.9769

Heuristics 4

PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE

PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
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/roblox-click-teleport-hack-game-hack PDF link annotation
- https://veyazdesign.pl/wp-content/uploads/fsqm-files/minecraft-pe-015-0-apk-free-download_GM479516143.pdfIn PDF document text
- https://veyazdesign.pl/wp-content/uploads/fsqm-files/free-coin-master-spins-blog_GM406889139.pdfIn PDF document text
- https://veyazdesign.pl/wp-content/uploads/fsqm-files/how-to-get-followers-on-tiktok-for-free_GM835599320.pdfIn PDF document text
- https://veyazdesign.pl/wp-content/uploads/fsqm-files/minecraft-free-download-windows_GM479516143.pdfIn PDF document text
- https://veyazdesign.pl/wp-content/uploads/fsqm-files/free-roblox-accounts-bugmenot_GM431946152.pdfIn PDF document text
- https://veyazdesign.pl/wp-content/uploads/fsqm-files/minecraft-hack-download_GM479516143.pdfIn PDF document text
- https://veyazdesign.pl/wp-content/uploads/fsqm-files/hack-roblox-tools-2021_GM431946152.pdfIn PDF document text
- https://veyazdesign.pl/wp-content/uploads/fsqm-files/best-free-dances-roblox_GM431946152.pdfIn PDF document text
- https://veyazdesign.pl/wp-content/uploads/fsqm-files/explaining-video-free-robux-and-diamonds_GM431946152.pdfIn PDF document text
- https://veyazdesign.pl/wp-content/uploads/fsqm-files/roblox-hack-gui-free-download_GM431946152.pdfIn PDF document text
- https://veyazdesign.pl/wp-content/uploads/fsqm-files/minecraft-windows-10-free-with-java_GM479516143.pdfIn PDF document text
- https://veyazdesign.pl/wp-content/uploads/fsqm-files/free-robux-no-verification_GM431946152.pdfIn PDF document text
- https://veyazdesign.pl/wp-content/uploads/fsqm-files/minecraft-free-install_GM479516143.pdfIn PDF document text
- https://veyazdesign.pl/wp-content/uploads/fsqm-files/free-roblox-sqript-injecter_GM431946152.pdfIn PDF document text
- https://veyazdesign.pl/wp-content/uploads/fsqm-files/free-disney-plus-accounts-tiktok_GM835599320.pdfIn PDF document text
- https://veyazdesign.pl/wp-content/uploads/fsqm-files/free-coin-coin-master_GM406889139.pdfIn PDF document text
- https://veyazdesign.pl/wp-content/uploads/fsqm-files/how-to-get-hacks-on-roblox_GM431946152.pdfIn PDF document text
- https://veyazdesign.pl/wp-content/uploads/fsqm-files/minecraft-education-edition-free_GM479516143.pdfIn PDF document text
- https://veyazdesign.pl/wp-content/uploads/fsqm-files/minecraft-java-edition-redeem-code-free-2021_GM479516143.pdfIn PDF document text
- https://veyazdesign.pl/wp-content/uploads/fsqm-files/tower-of-hell-roblox-hack_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off00005169.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5169	24740 bytes
SHA-256: `8e71a52fea3bc42afe9aa351708d3d611b71da4daeff68f09649b774bee3d2d1`
`font_01_sfnt_off00008a37.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A37	2832 bytes
SHA-256: `77ae1c4cffa647a8fd533dfa4102e94364989f9e80b9cd131876e9d1005899a2`
`font_02_sfnt_off000093e8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x93E8	18580 bytes
SHA-256: `05d9c556bd87aea345daa058b10915cd46737c07d06a4392d1cf4345d45c74b9`

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