PDF malware analysis — malicious · 7019c57bce758551

MALICIOUS

PDF

46.0 KB Created: 2021-06-03 19:14:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 8e27bc3026fdfc10d50efcfa701a4169 SHA-1: 372964e0b295f58970590450bb969b1423b62431 SHA-256: 7019c57bce758551e2fafaaef667b6baeb3a1c0aed37d7554e5d01df04f5c249

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 0.9864

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.online/app/431946152/how-to-labeled-cheater-in-roblox-parkour-game-hack PDF link annotation
- http://www.flytec.com.py/download/files/coin-master-free-spin-daily-link_GM406889139.pdfIn PDF document text
- http://www.flytec.com.py/download/files/haktuts-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://www.flytec.com.py/download/files/block-best-robux_GM431946152.pdfIn PDF document text
- http://www.flytec.com.py/download/files/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
- http://www.flytec.com.py/download/files/coin-master-hack-app-for-iphone_GM406889139.pdfIn PDF document text
- http://www.flytec.com.py/download/files/how-to-get-robux_GM431946152.pdfIn PDF document text
- http://www.flytec.com.py/download/files/free-robux-generator-no-human-verification-or-surveys_GM431946152.pdfIn PDF document text
- http://www.flytec.com.py/download/files/free-roblox-avatar-ideas_GM431946152.pdfIn PDF document text
- http://www.flytec.com.py/download/files/free-roblox-animations_GM431946152.pdfIn PDF document text
- http://www.flytec.com.py/download/files/best-way-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://www.flytec.com.py/download/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
- http://www.flytec.com.py/download/files/official-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://www.flytec.com.py/download/files/coin-master-daily-bonus-hack_GM406889139.pdfIn PDF document text
- http://www.flytec.com.py/download/files/best-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- http://www.flytec.com.py/download/files/coin-master-hack-club_GM406889139.pdfIn PDF document text
- http://www.flytec.com.py/download/files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- http://www.flytec.com.py/download/files/free-robux-com-roblox_GM431946152.pdfIn PDF document text
- http://www.flytec.com.py/download/files/lazyblox-com-free-robux_GM431946152.pdfIn PDF document text
- http://www.flytec.com.py/download/files/how-to-get-free-spins-on-coin-master-2021-ios_GM406889139.pdfIn PDF document text
- http://www.flytec.com.py/download/files/coin-master-unlimited-spins_GM406889139.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_off0000538c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x538C	26556 bytes
SHA-256: `52dd6918d315797880c344d4adbc4712ff466933bd721cb7ce1ba1dbae06a845`
`font_01_sfnt_off00008f08.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F08	19084 bytes
SHA-256: `cf66477f4bd7be9ac1d47010a0e95cd9ca46ef355e523f8c679576e7d56c2a74`

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