Malicious PDF — malware analysis report

Static analysis result for SHA-256 32f18ee42f72bd24…

MALICIOUS

PDF

36.0 KB Created: 2021-05-21 00:50:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: c3ad4099c62a36cd9e1e5c63f434c535 SHA-1: c928918d67927338b2c5b6c47713108af9051c5c SHA-256: 32f18ee42f72bd2419aa9ec3e466832f8934fe566681a022de5b4f4e462d33b4
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to redirector infrastructure, specifically advertising 'game hacks' and 'free generators' for popular games like Minecraft. The document body and heuristics indicate a lure to download a file, likely a malicious payload, from the provided URLs. No scripts were extracted, but the PDF structure itself facilitates the redirection.

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/how-to-get-minecraft-pe-for-free-ios-game-hack In PDF document text
    • https://matsanedala.com/__statics/gudangsoal/files/minecraft-pocket-apk_GM479516143.pdfIn PDF document text
    • https://matsanedala.com/__statics/gudangsoal/files/coin-master-daily-free-spins-link-today-twitter_GM406889139.pdfIn PDF document text
    • https://matsanedala.com/__statics/gudangsoal/files/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://matsanedala.com/__statics/gudangsoal/files/free-robux-with-no-human-verification_GM431946152.pdfIn PDF document text
    • https://matsanedala.com/__statics/gudangsoal/files/how-to-download-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://code.giftcards.comIn 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_off0000333e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x333E 25928 bytes
SHA-256: 2e4559a8e234de6046bcf8347634c2b07628a3186a8825a1fbc091e05791fc7b
font_01_sfnt_off00006c58.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C58 18028 bytes
SHA-256: 3ef771fcdeed521b42e77c192c553d5a3bd318aced348222e5c137e62eefd75e

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