PDF malware analysis — malicious · e6b97b5bbde512d4

MALICIOUS

PDF

35.4 KB Created: 2021-07-04 00:05:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 3714bfdb644c3b4740d9bb278454820d SHA-1: 95a2b14274113f3d30a9640a2a78a32ac06e714f SHA-256: e6b97b5bbde512d4324f09e85777dcf50ba949ba9320323b7ff97ab998fcbdfe

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a lure related to free game currency and hacks, directing users to a known malicious redirector. The document's content and embedded links strongly suggest a phishing or scam attempt designed to lead users to potentially harmful websites. No scripts were extracted, but the presence of multiple malicious redirector links indicates a high likelihood of further malicious activity.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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
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/free-robux-promo-codes-game-hack In PDF document text
- http://www.vivaahsathi.com/uploaded_files/userfiles/files/free-robux-on-iphone_GM431946152.pdfIn PDF document text
- http://www.vivaahsathi.com/uploaded_files/userfiles/files/sign-in-roblox-for-free_GM431946152.pdfIn PDF document text
- http://www.vivaahsathi.com/uploaded_files/userfiles/files/free-minecraft-bedrock-server-hosting_GM479516143.pdfIn PDF document text
- http://www.vivaahsathi.com/uploaded_files/userfiles/files/free-robux-generator-no-human-verification-or-surveys_GM431946152.pdfIn PDF document text
- http://www.vivaahsathi.com/uploaded_files/userfiles/files/hack-robux_GM431946152.pdfIn PDF document text
- http://www.vivaahsathi.com/uploaded_files/userfiles/files/roblox-festive-paintball-cheat_GM431946152.pdfIn PDF document text
- http://www.vivaahsathi.com/uploaded_files/userfiles/files/free-mods-for-coin-master_GM406889139.pdfIn PDF document text
- http://www.vivaahsathi.com/uploaded_files/userfiles/files/mine-minecraft-games-for-free_GM479516143.pdfIn PDF document text
- http://www.vivaahsathi.com/uploaded_files/userfiles/files/games-like-coin-master-for-free_GM406889139.pdfIn PDF document text
- http://www.vivaahsathi.com/uploaded_files/userfiles/files/how-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://www.vivaahsathi.com/uploaded_files/userfiles/files/roblox-com-r_GM431946152.pdfIn PDF document text
- http://www.vivaahsathi.com/uploaded_files/userfiles/files/coin-master-hack-online-2021_GM406889139.pdfIn PDF document text
- http://www.vivaahsathi.com/uploaded_files/userfiles/files/how-to-hack-coin-master-2021_GM406889139.pdfIn PDF document text
- http://www.vivaahsathi.com/uploaded_files/userfiles/files/oginject-co_GM406889139.pdfIn PDF document text
- http://www.vivaahsathi.com/uploaded_files/userfiles/files/coin-master-daily-free-spins-link-today-haktuts_GM406889139.pdfIn PDF document text
- http://www.vivaahsathi.com/uploaded_files/userfiles/files/free-robux-that-actually-works-2021_GM431946152.pdfIn PDF document text
- http://www.vivaahsathi.com/uploaded_files/userfiles/files/free-spin-coin-master-hack-2021_GM406889139.pdfIn PDF document text
- http://www.vivaahsathi.com/uploaded_files/userfiles/files/roblox-hacked-com-2021_GM431946152.pdfIn PDF document text
- http://www.vivaahsathi.com/uploaded_files/userfiles/files/free-robux-codes-generator_GM431946152.pdfIn PDF document text
- http://www.vivaahsathi.com/uploaded_files/userfiles/files/coin-master-daily-free-spins-link-today_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_off000033ba.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x33BA	22216 bytes
SHA-256: `62a503a0b0533f7b53c63e34fcfb71c763251469a7df300e849a73499a0d5995`
`font_01_sfnt_off000064c5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x64C5	19304 bytes
SHA-256: `b8217d46ff736f49d3e7fbbf4ad016b5c147b05ee0ff1e8951011688dc8d1bae`

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