PDF malware analysis — malicious · 4366f1c06500a8b0

MALICIOUS

PDF

47.3 KB Created: 2021-06-03 07:25:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 72e176de8fd2e32d67cd09465b8d9cff SHA-1: e6c5067c4746596becf40837b64d66af1323cb15 SHA-256: 4366f1c06500a8b0da5dbbd46eb0e91608d91c1d5dd9ea36828a7112ea416c7b

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains multiple links to known malicious redirectors and sites offering game hacks and free in-game currency, indicating a phishing or scam attempt. The document body, though partially corrupted, contains references to these lures and embedded URLs. The presence of multiple malicious links strongly suggests a phishing or social engineering attack aimed at users interested in online games.

Machine Learning

Nyx PDF Classifier malicious score 0.9832

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 https://netcdn.online/app/479516143/minecraft-tiktok-hacks-game-hack In PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/free-custom-minecraft-skins_GM479516143.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/coin-master-free-spins-link-hack_GM406889139.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/minecraft-windows-10-hacked-client_GM479516143.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/flip-master-free-coins_GM406889139.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/roblox-group-free-robux_GM431946152.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/minecraft-pe-apk-download_GM479516143.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/how-to-get-free-robux-for-kids_GM431946152.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/roblox-hax_GM431946152.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/how-to-scam-on-roblox_GM431946152.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/master-coin-free-link_GM406889139.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/robux-hack-2021_GM431946152.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/minecraft-hacks-wurst_GM479516143.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/best-free-minecraft-servers_GM479516143.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/minecraft-free-ios-2021_GM479516143.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/how-to-get-free-robux-without-doing-anything-2021_GM431946152.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/free-robux-just-enter-username-and-password_GM431946152.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/coin-master-hack-fast-org_GM406889139.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/pubg-uc-purchase_GM1330123889.pdfIn PDF document text
- http://samarpartners.com/new/public/ckfinder/userfiles/files/free-coin-master-account_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
`stream_004_off00005501.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5501	29584 bytes
SHA-256: `37b7e17c5a4c6d813ff6e5a9d734c00cce5f5a15b25a02d018006f6637caf4f2`
`font_01_sfnt_off000097cd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x97CD	17880 bytes
SHA-256: `d5bc1f00134bcbca17edb073a38cf34a4b8369625bcb3a8e6d2c090e6dde0fec`

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