PDF malware analysis — malicious · ccdb02fd7b74ad29

MALICIOUS

PDF

35.0 KB Created: 2021-07-09 04:42:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 1ead9ab4e0a57843306609e2e66979ff SHA-1: 8090111a7c57ce9201bbda29fb614d54f210aa3c SHA-256: ccdb02fd7b74ad29db01d629e934f4c23e98505bce58338b9ef356988863e750

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/406889139/free-diamonds-coin-master-game-hack PDF link annotation
- https://ourlady-elearning.com/userfiles/files/wurst-18_GM479516143.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/minecraft-free-trial_GM479516143.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/coin-master-free-spins-2-5-2021_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/roblox-robux-giver-free-download_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/jailbreak-script_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/coin-master-hack-ios-no-human-verification_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/facebook-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/coin-master-free-spins-haktuts_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/daily-free-spins-coin-master-heaven_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/how-ot-get-free-robux-nathorix_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/hack-game-coin-master_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/my-roblox-girlfriend-cheated-on-me_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/free-robux-today_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/pokemon-go-free-shiny-celebi_GM1094591345.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/blox-pink-robux-free_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/minecraft-free-apk-download-016-0_GM479516143.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/free-roblox-women-hair_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/who-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/roblox-fairy-tail-online-fighting-magic-hack_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/free-minecraft-alts_GM479516143.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_off00003330.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3330	22424 bytes
SHA-256: `82f0166f57f57fb4bf896f0f243e4e61c9439ba75c7ef4be8137315ce7f1c170`
`font_01_sfnt_off00006550.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6550	18600 bytes
SHA-256: `da824c8de7a59d01d725a44d62aa23261c44ef626b00917327570bf01bcd9ba0`

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