PDF malware analysis — malicious · 41638e4f6c4ed48c

MALICIOUS

PDF

44.6 KB Created: 2021-06-03 07:58:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 3e7fb98a4411581273d53f391c7d15c2 SHA-1: d645f7185935c6cecf89c57f0ca019bbffda7bf4 SHA-256: 41638e4f6c4ed48cb9f7ea1d54100dedbc2312b85f17857bb7fac931a75d84e1

168 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to malicious websites, masquerading as free game hacks and generators. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple redirector links indicates a clear intent to lure users to potentially harmful content. No scripts were extracted, but the document's structure and embedded URLs strongly suggest a phishing or scam attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

Heuristics 5

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.
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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 https://netcdn.online/app/835599320/how-to-get-tiktok-famous-free-game-hack In PDF document text
- https://www.ombalicargo.com/new/public/ckfinder/userfiles/files/tiradas-coin-master_GM406889139.pdfIn PDF document text
- https://www.ombalicargo.com/new/public/ckfinder/userfiles/files/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
- https://www.ombalicargo.com/new/public/ckfinder/userfiles/files/free-roblox-cards-pin-number_GM431946152.pdfIn PDF document text
- https://www.ombalicargo.com/new/public/ckfinder/userfiles/files/free-robux-no-offers_GM431946152.pdfIn PDF document text
- https://www.ombalicargo.com/new/public/ckfinder/userfiles/files/25-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://ombalicargo.com/new/public/ckfinder/userfiles/files/coin-master-free-coins-spins_GM406889139.pdfIn PDF document text
- https://ombalicargo.com/new/public/ckfinder/userfiles/files/free-roblox-accounts-with-robux_GM431946152.pdfIn PDF document text
- https://ombalicargo.com/new/public/ckfinder/userfiles/files/coin-master-daily-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
- https://www.ombalicargo.com/new/public/ckfinder/userfiles/files/coin-master-400-spin-link-today_GM406889139.pdfIn PDF document text
- https://www.ombalicargo.com/new/public/ckfinder/userfiles/files/roblox-hack-unlimited-robux_GM431946152.pdfIn PDF document text
- https://ombalicargo.com/new/public/ckfinder/userfiles/files/free-robux-by-watching-ads_GM431946152.pdfIn PDF document text
- https://www.ombalicargo.com/new/public/ckfinder/userfiles/files/free-robux-gift-card-generator_GM431946152.pdfIn PDF document text
- https://ombalicargo.com/new/public/ckfinder/userfiles/files/coin-master-hack-2021_GM406889139.pdfIn PDF document text
- https://www.ombalicargo.com/new/public/ckfinder/userfiles/files/good-free-minecraft-server-hosting_GM479516143.pdfIn PDF document text
- https://www.ombalicargo.com/new/public/ckfinder/userfiles/files/how-to-get-free-spins-on-coin-master-ios_GM406889139.pdfIn PDF document text
- https://www.ombalicargo.com/new/public/ckfinder/userfiles/files/coin-master-mod-apk-2021_GM406889139.pdfIn PDF document text
- https://www.ombalicargo.com/new/public/ckfinder/userfiles/files/free-followers-on-tiktok-no-human-verification_GM835599320.pdfIn PDF document text
- https://ombalicargo.com/new/public/ckfinder/userfiles/files/how-to-get-roblox-premium-for-free_GM431946152.pdfIn PDF document text
- https://ombalicargo.com/new/public/ckfinder/userfiles/files/free-spin-link-coin-master-today_GM406889139.pdfIn PDF document text
- https://ombalicargo.com/new/public/ckfinder/userfiles/files/how-to-get-hacks-on-roblox_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
`stream_004_off00004df7.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4DF7	27832 bytes
SHA-256: `da2e190d9c74efb6cafa97d2371f44ec971dd113ccde78ce3b1f23dcf4e1f71b`
`font_01_sfnt_off00008bed.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8BED	18248 bytes
SHA-256: `9d8c9ff8f23476e9e897d50e05ba1c89fe9a64794c9c08e4c2e4cb1c87253222`

Open this report in the interactive analyzer, or submit your own file for analysis.