Malicious PDF — malware analysis report

Static analysis result for SHA-256 327bf80dee00389a…

MALICIOUS

PDF

35.3 KB Created: 2021-05-22 19:35:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0aba84fe96a506b0e7dbbeb48bafcb0c SHA-1: 764113c22bae4247aa46a8f1efc15f08616ed7cf SHA-256: 327bf80dee00389aad2ae0ac2fac24f092dab95fb81bc72e3b050b3f7d6b34de
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains multiple links that redirect to malicious infrastructure, masquerading as game hacks or generators. The heuristic firings indicate that the PDF is designed to lure users into clicking these links, likely to download further malware or redirect to phishing sites. No scripts were extracted, but the embedded links are the primary threat vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

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/479516143/minecraft-hacker-skin-game-hack In PDF document text
    • https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/free-robux-for-kids-no-verification_GM431946152.pdfIn PDF document text
    • https://www.belajar.mansalotim.sch.id/__statics/gudangsoal/files/hacks-for-coin-master_GM406889139.pdfIn PDF document text
    • https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/hack-coin-master-apk-mod_GM406889139.pdfIn PDF document text
    • https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
    • https://belajar.mansalotim.sch.id/__statics/gudangsoal/files/coin-master-free-in-app-purchases_GM406889139.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.

FilenameKindSourceSize
stream_002_off000032c2.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x32C2 24988 bytes
SHA-256: 24c381f79f5f05a38c8cf9f15a6cac298d31f3d7b229ac71eafaf8ffd215e6b3
font_01_sfnt_off00006a83.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A83 17740 bytes
SHA-256: 91fe2762de83ff68ec278d498415159af7d0ffb5c1d0151dc7294afbb77550eb