PDF malware analysis — malicious · 7108908677c7e29a

MALICIOUS

PDF

41.2 KB Created: 2021-04-29 01:15:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 09727fbdcf1c8f512b553fbb06e18c0a SHA-1: d0165900140126550e021729804d2630c5e02d40 SHA-256: 7108908677c7e29a3e1ba06e5d7823f9f466ec99c0c5c3ab219a41f0bfe76dd9

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to known malicious infrastructure, specifically promoting 'free Robux' or game hacks. The primary lure URL is https://netcdn.xyz/app/431946152/free-robux-site-legit-game-hack. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate a malicious redirector designed to lure users into potentially harmful websites, likely as part of a phishing or scam campaign.

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/free-robux-site-legit-game-hack In PDF document text
- https://lib-stie.yai.ac.id/repository/roblox-sand-simulator-infinite-backpack-code-hack-android-noscript.pdfIn PDF document text
- https://lib-stie.yai.ac.id/repository/gat-robux-for-free.pdfIn PDF document text
- https://lib-stie.yai.ac.id/repository/roblox-hack-synapse-x.pdfIn PDF document text
- https://lib-stie.yai.ac.id/repository/new-hack-for-roblox-deathrun-2021.pdfIn PDF document text
- https://lib-stie.yai.ac.id/repository/synapse-hack-roblox.pdfIn PDF document text
- https://lib-stie.yai.ac.id/repository/infinite-moneyz-roblox-injector-hack.pdfIn PDF document text
- https://lib-stie.yai.ac.id/repository/scpninetailedfox-mod-cheats-roblox.pdfIn PDF document text
- https://lib-stie.yai.ac.id/repository/free-robux-on-samsung-tablet.pdfIn PDF document text
- https://lib-stie.yai.ac.id/repository/free-robux-codes-no-survey-no-download-2021.pdfIn PDF document text
- https://lib-stie.yai.ac.id/repository/free-robux-no-taks.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_003_off000044b7.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x44B7	25204 bytes
SHA-256: `a8047d02185f5091c6eaebcb6d5e04149037f5d9e28845669896fde28d8cdf74`
`font_01_sfnt_off00007e5a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7E5A	18528 bytes
SHA-256: `b7fb72babce943e8a40db1e2916e58840c04c1be786eb5917a3ad3facfd33cb5`

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