PDF malware analysis — malicious · 2c988328594e5a2d

MALICIOUS

PDF

34.5 KB Created: 2021-06-27 08:35:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 9522e67078de5b81107548e961be02d3 SHA-1: 1827d1575afbbebf0f0cda9b14416c78b56c78e6 SHA-256: 2c988328594e5a2d4a4499c4227093c7d6f014aa348d793e2779a9af2767cedb

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.co/app/431946152/roblox-download-free-windows-vista-game-hack PDF link annotation
- https://goodtools.tw/upload/files/how-to-get-real-robux_GM431946152.pdfIn PDF document text
- https://goodtools.tw/upload/files/cheat-roblox-2021-la-dernier-misajoure_GM431946152.pdfIn PDF document text
- https://goodtools.tw/upload/files/how-to-get-roblox-clothes-free_GM431946152.pdfIn PDF document text
- https://goodtools.tw/upload/files/free-robux-no-verification-or-survey_GM431946152.pdfIn PDF document text
- https://goodtools.tw/upload/files/coin-master-hack-apk_GM406889139.pdfIn PDF document text
- https://goodtools.tw/upload/files/coin-master-hack-2021_GM406889139.pdfIn PDF document text
- https://goodtools.tw/upload/files/slurp-hack-roblox-counter-blox_GM431946152.pdfIn PDF document text
- https://goodtools.tw/upload/files/coin-master-fan-page-facebook_GM406889139.pdfIn PDF document text
- https://goodtools.tw/upload/files/coin-master-freebies-2021_GM406889139.pdfIn PDF document text
- https://goodtools.tw/upload/files/free-spins-coin-master-2021-today_GM406889139.pdfIn PDF document text
- https://goodtools.tw/upload/files/hack-coin-master-android-2021_GM406889139.pdfIn PDF document text
- https://goodtools.tw/upload/files/coin-master-free-box_GM406889139.pdfIn PDF document text
- https://goodtools.tw/upload/files/where-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://goodtools.tw/upload/files/free-coin-master-spins-links-2021_GM406889139.pdfIn PDF document text
- https://goodtools.tw/upload/files/how-to-get-free-tiktok-followers-no-human-verification_GM835599320.pdfIn PDF document text
- https://goodtools.tw/upload/files/coin-master-free-spins-today-39_GM406889139.pdfIn PDF document text
- https://goodtools.tw/upload/files/links-for-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://goodtools.tw/upload/files/free-robux-no-verification-needed_GM431946152.pdfIn PDF document text
- https://goodtools.tw/upload/files/free-robux-no-verification-2021-ios_GM431946152.pdfIn PDF document text
- https://goodtools.tw/upload/files/free-card-link-coin-master_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_off00002ea3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2EA3	22132 bytes
SHA-256: `3a46b4381ca7c180126d5baf158652d8ae9acacddb60bc0b07a816a336fd9e19`
`font_01_sfnt_off00005f9e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F9E	19712 bytes
SHA-256: `3a4bcd8447e8121a7d97ab17f2d3d166d9663b6a1e71d3e5bd39a3918a6e1fff`

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