PDF malware analysis — malicious · d482ccb92b74317d

MALICIOUS

PDF

35.8 KB Created: 2021-07-09 01:50:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 32bcc43badc3d23ea5549c9698fbc881 SHA-1: 2719d1b037f8566184cb4353ad9a636ffd949982 SHA-256: d482ccb92b74317dcd67fb6e5d32bb2371e8637112597135e49e370f32d8b1f9

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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.tw/app/431946152/how-to-get-free-robux-without-human-verification-2021-game-hack PDF link annotation
- https://hullerkopipagaralam.com/ckfinder/userfiles/files/coin-master-hack-without-verification-code_GM406889139.pdfIn PDF document text
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/cheat-online-roblox_GM431946152.pdfIn PDF document text
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/coin-master-heaven-links-free-spins_GM406889139.pdfIn PDF document text
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/coin-master-hack-ios-without-verification_GM406889139.pdfIn PDF document text
- https://hullerkopipagaralam.com/ckfinder/userfiles/files/coin-master-gold-cards-free_GM406889139.pdfIn PDF document text
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/free-minecraft-mods_GM479516143.pdfIn PDF document text
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/bux-life-free-robux_GM431946152.pdfIn PDF document text
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/how-to-get-free-robux-on-pc_GM431946152.pdfIn PDF document text
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/cm-spins_GM406889139.pdfIn PDF document text
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/how-to-get-free-robux-without-any-verification_GM431946152.pdfIn PDF document text
- https://hullerkopipagaralam.com/ckfinder/userfiles/files/free-tiktok-hearts_GM835599320.pdfIn PDF document text
- https://hullerkopipagaralam.com/ckfinder/userfiles/files/collect-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://hullerkopipagaralam.com/ckfinder/userfiles/files/free-game-pack-coin-master_GM406889139.pdfIn PDF document text
- https://hullerkopipagaralam.com/ckfinder/userfiles/files/como-conseguir-robux-gratis-100-real-sin-hacks_GM431946152.pdfIn PDF document text
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/free-robux_GM431946152.pdfIn PDF document text
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/roblox-jailbreak-hack-download_GM431946152.pdfIn PDF document text
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/give-free-robux_GM431946152.pdfIn PDF document text
- https://hullerkopipagaralam.com/ckfinder/userfiles/files/free-robux-no-survey_GM431946152.pdfIn PDF document text
- https://www.hullerkopipagaralam.com/ckfinder/userfiles/files/freerobux-hack-us_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_off0000329a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x329A	22080 bytes
SHA-256: `fbdfac2886a9dd7114b349fe236b5b5569e6cdcb0a4bd81531a65711aacbcf10`
`font_01_sfnt_off00006373.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6373	20264 bytes
SHA-256: `26aa4917e1153719256d6dd4d07c71b39b84df2f774e0169f128f53eab8dbbb8`

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