PDF malware analysis — malicious · 7050c3e0eacfc4ee

MALICIOUS

PDF

41.7 KB Created: 2021-05-10 17:32:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07

MD5: 410d42d3f35a4d007e5b99400212d6eb SHA-1: bf8980db21e5b0b5d56b03c3e63f6aa4174d4628 SHA-256: 7050c3e0eacfc4eec6b976448bc98c923e5c23762b14bb575e25a7ecf7e5cfda

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file contains a heuristic firing indicating it links to a 'free generator / game hack' redirector. The document body and embedded URLs also point to similar lures, specifically mentioning 'play Minecraft online free'. The primary malicious URL identified is https://netcdn.xyz/app/479516143/play-minecraft-online-free-game-hack, which is likely used to deliver a secondary payload or lead the user to a phishing site.

Machine Learning

Nyx PDF Classifier malicious score 0.9981

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/479516143/play-minecraft-online-free-game-hack PDF link annotation
- https://www.sg-escholzmatt.ch/images/can-i-get-robux-for-free_GM431946152.pdfIn PDF document text
- https://www.sg-escholzmatt.ch/images/coin-master-hack-2021-no-survey_GM406889139.pdfIn PDF document text
- https://www.sg-escholzmatt.ch/images/free-minecraft-mods-for-pc_GM479516143.pdfIn PDF document text
- https://www.sg-escholzmatt.ch/images/master-game_GM406889139.pdfIn PDF document text
- https://www.sg-escholzmatt.ch/images/coin-master-free-spins-blogspot_GM406889139.pdfIn PDF document text
- https://www.sg-escholzmatt.ch/images/free-roblox-adopt-me-accounts_GM431946152.pdfIn PDF document text
- https://www.sg-escholzmatt.ch/images/easy-robux-com_GM431946152.pdfIn PDF document text
- https://www.sg-escholzmatt.ch/images/free-robux-no-human-verification-generator_GM431946152.pdfIn PDF document text
- https://www.sg-escholzmatt.ch/images/roblox-jailbreak-hack_GM431946152.pdfIn PDF document text
- https://www.sg-escholzmatt.ch/images/a-lot-of-robux_GM431946152.pdfIn PDF document text
- https://www.sg-escholzmatt.ch/images/coin-master-hack-to-get-free-spins_GM406889139.pdfIn PDF document text
- https://www.sg-escholzmatt.ch/images/hack-version-of-coin-master_GM406889139.pdfIn PDF document text
- https://www.sg-escholzmatt.ch/images/100-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.sg-escholzmatt.ch/images/free-robux-websites-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
`stream_003_off000046cb.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x46CB	26392 bytes
SHA-256: `cc15bdd67425333cad5e156f71b71ebdb6e8c71199d615498fef3297b28a6232`
`font_01_sfnt_off00008238.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8238	17976 bytes
SHA-256: `e953997c623ab1bd3546e7b188ca680e36d1015a1cf7f46efbbf98890a47325d`

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