Malicious PDF — malware analysis report

Static analysis result for SHA-256 7a2b8b5ae847969a…

MALICIOUS

PDF

45.4 KB Created: 2021-04-28 06:12:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 396adb7e6be35e621321d182e87aae79 SHA-1: d942c42dea992e6fc6d175d914f0a3b067144268 SHA-256: 7a2b8b5ae847969a0defa74c1953ab594ead066b099ab4d971f4c658aa675a30
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to websites that are flagged as malicious redirectors, specifically luring users with promises of game hacks and free items. The document body and embedded links suggest an attempt to trick users into visiting these sites, likely to download further malware or engage in credential harvesting. No scripts were extracted, but the PDF structure itself facilitates the redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9814

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-card-from-roblox-vending-machine-in-prison-life-game-hack In PDF document text
    • http://perpustakaan.pn-temanggung.go.id/repository/roblox-jailbreak-hack-unjailbreak-script.pdfIn PDF document text
    • https://perpustakaan.pn-temanggung.go.id/repository/synapse-roblox-free-no-virus.pdfIn PDF document text
    • http://perpustakaan.pn-temanggung.go.id/repository/how-to-get-robux-for-free-on-pc-gift-card.pdfIn PDF document text
    • https://perpustakaan.pn-temanggung.go.id/repository/roblox-phantom-forces-free-robux-bot.pdfIn PDF document text
    • https://perpustakaan.pn-temanggung.go.id/repository/how-to-hack-any-items-free-roblox.pdfIn PDF document text
    • http://perpustakaan.pn-temanggung.go.id/repository/free-roblox-account-generator-2021.pdfIn PDF document text
    • https://perpustakaan.pn-temanggung.go.id/repository/ahk-free-draw-roblox.pdfIn PDF document text
    • https://perpustakaan.pn-temanggung.go.id/repository/how-to-get-free-robux-ipad-only-2021.pdfIn PDF document text
    • https://perpustakaan.pn-temanggung.go.id/repository/roblox-booga-booga-hack-script.pdfIn PDF document text
    • https://perpustakaan.pn-temanggung.go.id/repository/free-robux-generator-2021-hack.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000041c2.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x41C2 26668 bytes
SHA-256: 653e086d05f105428bba66eb0c3280a7ff7a2e03fd0ad0bf5ea8180521d996c3
font_01_sfnt_off00007ef7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7EF7 3884 bytes
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf
font_02_sfnt_off00008b9e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B9E 19668 bytes
SHA-256: 1af8f5e1b30d9c9e681ebbd8f840c05e70efb119b202cb85292e9853b15b82fe

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