PDF malware analysis — malicious · 2c9ab09bb532e602

MALICIOUS

PDF

41.8 KB Created: 2021-04-27 12:09:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 816e02ed08eed615cfeda7a3cee49e9b SHA-1: e7c2af466ee4e145b2a4de8bbd2c8cbed88b357a SHA-256: 2c9ab09bb532e6025b8a68dabacf60394b1b4b443a030f30de1a580705a29904

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one identified as a malicious redirector, leading to a "game hack" lure. The document body and embedded links suggest a phishing attempt to trick users into visiting potentially harmful websites. No scripts were extracted from this sample, but the presence of malicious links and the lure indicate a high likelihood of a phishing or redirection attack.

Machine Learning

Nyx PDF Classifier malicious score 0.9941

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.xyz/app/431946152/roblox-project-pokemon-cheats-2021-game-hack In PDF document text
- https://lib-stie.yai.ac.id/repository/free-robux-2021-actually-working.pdfIn PDF document text
- https://lib-stie.yai.ac.id/repository/why-free-robux-is-not-true.pdfIn PDF document text
- https://lib-stie.yai.ac.id/repository/emporor-roblox-hack.pdfIn PDF document text
- https://lib-stie.yai.ac.id/repository/fire-roblox-hack.pdfIn PDF document text
- https://lib-stie.yai.ac.id/repository/how-to-hack-robux-animin-pannel.pdfIn PDF document text
- https://lib-stie.yai.ac.id/repository/how-to-get-a-gamepass-on-roblox-for-free-2021.pdfIn PDF document text
- https://lib-stie.yai.ac.id/repository/como-ser-hacker-en-counter-blox-roblox.pdfIn PDF document text
- https://lib-stie.yai.ac.id/repository/free-robux-accounts-28-october-2021.pdfIn PDF document text
- https://lib-stie.yai.ac.id/repository/how-to-hack-persons-account-on-roblox.pdfIn PDF document text
- https://lib-stie.yai.ac.id/repository/csgo-roblox-hacked-client-download.pdfIn PDF document text
- https://freerobux.cyouIn 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_003_off0000404d.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x404D	27812 bytes
SHA-256: `4d430906b98b625166fd87b790cc2b0c72c0cbac0d6ef362b3fd37e70e290860`
`font_01_sfnt_off00007e1e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7E1E	19456 bytes
SHA-256: `8d89b5b71c3f136d30def5b225cedd4a0b54cab2bd99d2a687484dfc20b16416`

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