PDF malware analysis — malicious · 72e3d79ca2e9c557

MALICIOUS

PDF

32.6 KB Created: 2021-07-20 16:11:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 7a33b45ae1ad24fa920d55fd44447544 SHA-1: ab72509e1f243f4ae08587b2dc9425b0d6fd18b3 SHA-256: 72e3d79ca2e9c557fb554fad154068464ff56a1e79e9d693c8cc5b41ad58223f

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting 'free generators' and 'game hacks'. The document body and embedded links suggest a lure to trick users into visiting potentially harmful websites. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly indicate a phishing or redirection attack.

Machine Learning

Nyx PDF Classifier malicious score 0.9900

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/835599320/hack-tiktok-fans-free-game-hack In PDF document text
- http://www.malonmalon.com.ar/images/minecraft-free-download-mac_GM479516143.pdfIn PDF document text
- http://www.malonmalon.com.ar/images/how-to-get-free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
- http://www.malonmalon.com.ar/images/freer-pro-tiktok_GM835599320.pdfIn PDF document text
- http://www.malonmalon.com.ar/images/how-to-get-a-free-minecraft-server_GM479516143.pdfIn PDF document text
- http://www.malonmalon.com.ar/images/free-robux-hack-generator_GM431946152.pdfIn PDF document text
- http://www.malonmalon.com.ar/images/free-robux-group_GM431946152.pdfIn PDF document text
- http://www.malonmalon.com.ar/images/minecraft-free-ios_GM479516143.pdfIn PDF document text
- http://www.malonmalon.com.ar/images/coin-master-daily-free-spins-link-app_GM406889139.pdfIn PDF document text
- http://www.malonmalon.com.ar/images/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
- http://www.malonmalon.com.ar/images/roblox-land-free-robux_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
`font_00_sfnt_off00002f08.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F08	21924 bytes
SHA-256: `6fd2c6e841db02c4f4d13088d2a9530b3404bffc6ac85989ffc8e9387b18171f`
`font_01_sfnt_off00005f4e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F4E	17684 bytes
SHA-256: `3b18324811ff9b2016b67c954de883c0131a9d703a91aa0a24a49898f2a8c27e`

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