Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c48ab6d4b0f53fe…

MALICIOUS

PDF

37.4 KB Created: 2021-05-25 06:33:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-08-25
MD5: 40b0a4f8bb4e35e16ba1d17c45e58903 SHA-1: 79ae97e08e4a99142286a2956f321a47e10ad4e4 SHA-256: 7c48ab6d4b0f53fe3dd22861af42906cb6ad1b48903ff62817e6eca3151ae009
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links that redirect to malicious infrastructure, masquerading as a "free generator" or "game hack" for Minecraft. The document body explicitly contains a call-to-action phrase, 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', and the embedded URLs are associated with known malicious redirectors. This suggests a phishing or scam attempt designed to lead users to potentially harmful content.

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-free-download-windows-10-game-hack In PDF document text
    • https://www.legclub.org/uploads/files/files/win-free-robux_GM431946152.pdfIn PDF document text
    • https://www.legclub.org/uploads/files/files/coin-master-hack-android-no-root_GM406889139.pdfIn PDF document text
    • https://www.legclub.org/uploads/files/files/free-robux-codes-generator_GM431946152.pdfIn PDF document text
    • https://www.legclub.org/uploads/files/files/free-robux-ad_GM431946152.pdfIn PDF document text
    • https://www.legclub.org/uploads/files/files/robux-free-com_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000033df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33DF 26836 bytes
SHA-256: 7929283a9987901c175cf4176d6a5bd8ab63adadfa193584ffd453412fd08b8a
font_01_sfnt_off00006f99.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F99 18764 bytes
SHA-256: 1024eac42dda9887ab3e6b3a3052baf0f02eb021d29d3096c75228bb34fedc86

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