Malicious PDF — malware analysis report

Static analysis result for SHA-256 41e6a10eef010fde…

MALICIOUS

PDF

39.0 KB Created: 2021-05-22 11:56:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d70e00be2e40937d2c4d5496a981884c SHA-1: 5956334a5b9507e37cb4e68be0e16899bee9b5a8 SHA-256: 41e6a10eef010fde2d90c9aec8a136da58d672d650f7f2a183df26604d401f60
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors and lures users with game hack content, indicating a phishing or scam attempt. The document body explicitly mentions 'How To Hack Coin Master' and provides a call to action to access a generator, which resolves to a suspicious URL. While no scripts were directly extracted, the PDF structure and embedded links strongly suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

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/how-to-hack-coin-master-game-hack In PDF document text
    • http://ines.co.rs/images/free-robux-generator-codes_GM431946152.pdfIn PDF document text
    • http://ines.co.rs/images/minecraft-build-hacks_GM479516143.pdfIn PDF document text
    • http://ines.co.rs/images/coin-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • http://ines.co.rs/images/coin-master-card-hack-app_GM406889139.pdfIn PDF document text
    • http://ines.co.rs/images/coin-master-hack-without-verification-site-zyngaplayerforumscom_GM406889139.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_002_off00003181.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3181 26632 bytes
SHA-256: 7d42e339c18e54d1f1141432bbc2f60e2577c16cdfb4751e4e88d31fee5ad2ff
font_01_sfnt_off00006e1b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E1B 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off00007806.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7806 17880 bytes
SHA-256: 811ddb8557bc0f5be85009fa6d5ae0baa2b7fc09c58d91c5790597872cecd122

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