PDF malware analysis — malicious · 32117e7ca45f1e72

MALICIOUS

PDF

31.6 KB Created: 2021-07-04 02:50:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 50049bce6592545fddc77188bfd4e20b SHA-1: 1f2fb230b269d4dd9aed2241458c1e214d9d6a0e SHA-256: 32117e7ca45f1e72ea15434cce04ed55e19874ff3172cb6e7bf4b4ef288fa01d

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, disguised as game hacks and cheats. The primary lure directs users to 'http://netcdn.tw/app/479516143/mcpe-game-hack', which is flagged as malicious infrastructure. This suggests the document's purpose is to trick users into visiting potentially harmful sites, likely for further exploitation or malware delivery.

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/479516143/mcpe-game-hack In PDF document text
- http://www.ksmt.edu.np/assets/ckfinder/userfiles/files/rbx-gg-free-robux_GM431946152.pdfIn PDF document text
- http://www.ksmt.edu.np/assets/ckfinder/userfiles/files/minecraft-hacked-apk_GM479516143.pdfIn PDF document text
- http://www.ksmt.edu.np/assets/ckfinder/userfiles/files/how-to-get-free-robux-for-free-in-2-mins_GM431946152.pdfIn PDF document text
- http://www.ksmt.edu.np/assets/ckfinder/userfiles/files/earn-free-robux-robux-win_GM431946152.pdfIn PDF document text
- http://www.ksmt.edu.np/assets/ckfinder/userfiles/files/ninja-run-roblox-free_GM431946152.pdfIn PDF document text
- http://www.ksmt.edu.np/assets/ckfinder/userfiles/files/coin-master-email-rewards_GM406889139.pdfIn PDF document text
- http://www.ksmt.edu.np/assets/ckfinder/userfiles/files/roblox-nopde-engine-cheats_GM431946152.pdfIn PDF document text
- http://www.ksmt.edu.np/assets/ckfinder/userfiles/files/coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.ksmt.edu.np/assets/ckfinder/userfiles/files/blogspot-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://www.ksmt.edu.np/assets/ckfinder/userfiles/files/roblox-free-rubox_GM431946152.pdfIn PDF document text
- http://www.ksmt.edu.np/assets/ckfinder/userfiles/files/free-robux-safe_GM431946152.pdfIn PDF document text
- http://www.ksmt.edu.np/assets/ckfinder/userfiles/files/roblox-generator-2021-hack_GM431946152.pdfIn PDF document text
- http://www.ksmt.edu.np/assets/ckfinder/userfiles/files/ben-10-universal-showdown-cheats-codes-roblox_GM431946152.pdfIn PDF document text
- http://www.ksmt.edu.np/assets/ckfinder/userfiles/files/free-stuff-on-roblox-2021_GM431946152.pdfIn PDF document text
- http://www.ksmt.edu.np/assets/ckfinder/userfiles/files/roblox-free-hats_GM431946152.pdfIn PDF document text
- http://www.ksmt.edu.np/assets/ckfinder/userfiles/files/how-to-block-someone-on-coin-master_GM406889139.pdfIn PDF document text
- http://www.ksmt.edu.np/assets/ckfinder/userfiles/files/how-to-add-mods-to-minecraft-pe_GM479516143.pdfIn PDF document text
- http://www.ksmt.edu.np/assets/ckfinder/userfiles/files/roblox-greg-hacker_GM431946152.pdfIn PDF document text
- http://www.ksmt.edu.np/assets/ckfinder/userfiles/files/coin-master-hack-spins-2021_GM406889139.pdfIn PDF document text
- http://www.ksmt.edu.np/assets/ckfinder/userfiles/files/minecraft-hack-download_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
`font_00_sfnt_off00002c2d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2C2D	21300 bytes
SHA-256: `ab87abb9809b2a645f05b684f227a6ec0b571780368e5cf67250f9f7de2937b5`
`font_01_sfnt_off00005a39.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5A39	17808 bytes
SHA-256: `bb08dbf34a52122f895504de6d0f043fb34325a43da687a59d3db3469e279ba9`

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