Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6a057d725bf9094…

MALICIOUS

PDF

36.1 KB Created: 2021-05-24 02:41:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 854c2993b61ee026d6a7f7a859b6f4ca SHA-1: 4b6b323c1a18c21cc49b98702efa8e4a5a9fdc25 SHA-256: e6a057d725bf9094ad428122e8ddfcdceda95d6feb56ea0aba9cbaa8620c075a
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, specifically promoting game hacks and generators. The document body includes phrases like 'CLICK HERE TO ACCESS COIN MASTER GENERATOR', reinforcing the lure. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly indicate a phishing or scam attempt designed to redirect users to potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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/406889139/coin-master-free-spin-and-coins-links-game-hack In PDF document text
    • http://artindex.pro/images/minecraft-java-free_GM479516143.pdfIn PDF document text
    • http://artindex.pro/images/free-spin-coin-master-iphone_GM406889139.pdfIn PDF document text
    • http://artindex.pro/images/robux-withdraw_GM431946152.pdfIn PDF document text
    • http://artindex.pro/images/no-scam-free-robux_GM431946152.pdfIn PDF document text
    • http://artindex.pro/images/coin-master-mod-apk-free-download-for-android_GM406889139.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
stream_002_off000032fe.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x32FE 24784 bytes
SHA-256: 14a613b3a19331a5ddd384ced90c6d1062b4e94c7ddc28e5bc0aee460d3f0f49
font_01_sfnt_off00006bcc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BCC 18228 bytes
SHA-256: ab1c4cdc214a6baf81a15e2f62a40ea9cfbbbf407f0f3dd1c7564e467cf0dae2

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