PDF malware analysis — malicious · fff0be7e5a771fda

MALICIOUS

PDF

33.6 KB Created: 2021-07-21 18:34:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: af871653811eab36b6eab6fb0ab52b94 SHA-1: 74467c36041aaf91dc84a70738fba42aeef6d652 SHA-256: fff0be7e5a771fda87e91a64eecfd98d344a51862f96e05d0b0bb5e37042faa6

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one that redirects to known malicious infrastructure associated with game hack lures. The document body and embedded links suggest a social engineering tactic to trick users into visiting a potentially harmful site. While no scripts were explicitly extracted, the PDF structure and malicious links indicate a high likelihood of a phishing or redirection attack.

Machine Learning

Nyx PDF Classifier malicious score 0.9942

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/406889139/coin-master-free-spins-today-daily-links-game-hack In PDF document text
- https://magistrinfo.ru/images/free-minecraft-capes_GM479516143.pdfIn PDF document text
- https://magistrinfo.ru/images/minecraft-java-edition-free-trial_GM479516143.pdfIn PDF document text
- https://magistrinfo.ru/images/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
- https://magistrinfo.ru/images/roblox-help-free-robux_GM431946152.pdfIn PDF document text
- https://magistrinfo.ru/images/how-to-get-minecraft-pocket-edition-for-free_GM479516143.pdfIn PDF document text
- https://magistrinfo.ru/images/minecraft-hacks-115-2_GM479516143.pdfIn PDF document text
- https://magistrinfo.ru/images/coin-master-free-spins-link-today-new_GM406889139.pdfIn PDF document text
- https://magistrinfo.ru/images/microsoft-free-robux_GM431946152.pdfIn PDF document text
- https://magistrinfo.ru/images/minecraft-for-free-on-phone_GM479516143.pdfIn PDF document text
- https://magistrinfo.ru/images/can-you-make-a-minecraft-server-for-free_GM479516143.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_002_off00002c1a.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2C1A	23092 bytes
SHA-256: `b2276d3d813f789ae2a91b2445453036f4f31e071988863469df18ced83606f5`
`font_01_sfnt_off00006016.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6016	18652 bytes
SHA-256: `52d597ff4b9023df6b3510b92f87dc1d2329aed0448bc9fa59130058567cb992`

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