Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ab152afe5a3391d…

MALICIOUS

PDF

37.3 KB Created: 2021-05-23 21:31:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-21
MD5: 685791145c6628c578abc56c63d641e5 SHA-1: 39c7f66768bda35047a3eefe8a9389536ba35ad6 SHA-256: 9ab152afe5a3391dadd1d30e6c826ed4d5a8ee11a47053b11c9845271587e7fd
160 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to malicious infrastructure, masquerading as game hacks. The document body explicitly mentions 'Minecraft Hack Download' and 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', reinforcing the lure. The ML classifier also flagged this PDF as malicious, indicating a high probability of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

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-hack-download-game-hack In PDF document text
    • http://leagueforwomenrights.gr/images/free-robux-hack-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://leagueforwomenrights.gr/images/roblox-promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
    • http://leagueforwomenrights.gr/images/coin-master-hack-tool_GM406889139.pdfIn PDF document text
    • http://leagueforwomenrights.gr/images/download-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://leagueforwomenrights.gr/images/how-to-hack-roblox_GM431946152.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_off000033f6.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x33F6 26960 bytes
SHA-256: 453e1a1412846cc65df5f21a1dbaad665cce6cba37e248c187fd1b0e91c04edf
font_01_sfnt_off00007038.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7038 18460 bytes
SHA-256: 1986b917a50867421859734d90e96ce19f33df6ec3e97c13366e475f22860bb7

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