PDF malware analysis — malicious · 2cabc3c11a259581

MALICIOUS

PDF

35.1 KB Created: 2021-06-28 03:59:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17

MD5: 557bdd28b9a95d48079b40d26d673c07 SHA-1: 730884c61f1edf6c1d77c82d61e07783a97f39e2 SHA-256: 2cabc3c11a2595811dcb07be6cc92847e11f9a18b23a5b113a0453e769216bb3

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains multiple links to external websites, with a primary URL identified as a lure for game hacks. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URLs suggests an attempt to redirect the user to a potentially harmful site. No scripts were extracted, but the overall pattern indicates a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/free-denis-shirt-roblox-game-hack PDF link annotation
- http://www.europeancamerata.com/userfiles/files/roblox-images-free_GM431946152.pdfIn PDF document text
- http://www.europeancamerata.com/userfiles/files/roblox-robux-hack-zone_GM431946152.pdfIn PDF document text
- http://www.europeancamerata.com/userfiles/files/hack-coin-master-game-download_GM406889139.pdfIn PDF document text
- http://www.europeancamerata.com/userfiles/files/free-robux-generator-for-roblox-2021_GM431946152.pdfIn PDF document text
- http://www.europeancamerata.com/userfiles/files/free-minecraft-server_GM479516143.pdfIn PDF document text
- http://www.europeancamerata.com/userfiles/files/free-spins-from-coin-master_GM406889139.pdfIn PDF document text
- http://www.europeancamerata.com/userfiles/files/300-daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://www.europeancamerata.com/userfiles/files/roblox-apocalypse-rising-hack_GM431946152.pdfIn PDF document text
- http://www.europeancamerata.com/userfiles/files/i-got-hacked-on-roblox_GM431946152.pdfIn PDF document text
- http://www.europeancamerata.com/userfiles/files/how-to-get-roebucks_GM431946152.pdfIn PDF document text
- http://www.europeancamerata.com/userfiles/files/buy-all-free-items-roblox-javascript_GM431946152.pdfIn PDF document text
- http://www.europeancamerata.com/userfiles/files/roblox-mm2-hack-unlimited_GM431946152.pdfIn PDF document text
- http://www.europeancamerata.com/userfiles/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
- http://www.europeancamerata.com/userfiles/files/robux-only_GM431946152.pdfIn PDF document text
- http://www.europeancamerata.com/userfiles/files/free-tiktok-likes-generator_GM835599320.pdfIn PDF document text
- http://www.europeancamerata.com/userfiles/files/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
- http://www.europeancamerata.com/userfiles/files/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- http://www.europeancamerata.com/userfiles/files/avatar-the-last-airbender-roblox_GM431946152.pdfIn PDF document text
- http://www.europeancamerata.com/userfiles/files/websites-that-give-free-robux_GM431946152.pdfIn PDF document text
- http://www.europeancamerata.com/userfiles/files/roblox-hack-without-human-verification_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_off0000331a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x331A	21984 bytes
SHA-256: `7ac457be5fdd0b772243630b01ac55e5f1f30c8603b3c8f0eedac955158fb093`
`font_01_sfnt_off000063d8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63D8	19208 bytes
SHA-256: `a2ce03443efb8bd368e92baad778b11b16e27d9abc23215ba110f27716c66b32`

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