PDF malware analysis — malicious · 9309c0a96644d746

MALICIOUS

PDF

33.7 KB Created: 2021-07-19 18:55:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 787387fabab3251d6f9cb44c56e30301 SHA-1: 35886a6fd278e4ef7e54eb04841c303275299f0f SHA-256: 9309c0a96644d7465e63ec98f43694f5dfcf2e4efa7f07945717691e13b26aef

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains multiple links to known malicious redirectors and infrastructure, disguised as 'free generators' or 'game hacks' for popular games. The document body and embedded links strongly suggest a phishing or scam attempt to lure users to download potentially malicious content or visit further compromised sites. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9946

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/minecraft-bedrock-free-with-java-game-hack In PDF document text
- https://shjbottle.com/upload/files/how-to-get-free-robux-on-ipad_GM431946152.pdfIn PDF document text
- https://shjbottle.com/upload/files/minecraft-pocket-edition-free_GM479516143.pdfIn PDF document text
- https://shjbottle.com/upload/files/free-robux-2021_GM431946152.pdfIn PDF document text
- https://shjbottle.com/upload/files/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
- https://shjbottle.com/upload/files/free-minecraft-skin-packs_GM479516143.pdfIn PDF document text
- https://shjbottle.com/upload/files/minecraft-pc-free_GM479516143.pdfIn PDF document text
- https://shjbottle.com/upload/files/free-robux-pastebin_GM431946152.pdfIn PDF document text
- https://shjbottle.com/upload/files/free-robux-websites-that-actually-work_GM431946152.pdfIn PDF document text
- https://shjbottle.com/upload/files/minecraft-free-unblocked_GM479516143.pdfIn PDF document text
- https://shjbottle.com/upload/files/free-minecraft-skins_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_off00002e99.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E99	22348 bytes
SHA-256: `d099edc89d451fe954de863cc5c61a2de24f41f5c396292c8b4cc5cd0d3b7394`
`font_01_sfnt_off00005ffa.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5FFA	18912 bytes
SHA-256: `4030f6649d0ebdd9f19ba86bdfab3d907e637ec7756e67114778b3c35e301262`

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