Malicious PDF — malware analysis report

Static analysis result for SHA-256 d285d34b2a719515…

MALICIOUS

PDF

48.9 KB Created: 2021-05-13 18:10:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 8779695353eea37ba15d7c34bc212c23 SHA-1: 6fdff14e7d3094fb2a87bf3701b152b7ab12b22e SHA-256: d285d34b2a71951501de1c8917116de8e9774bbdcc55a26f74a9ef92623a935a
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9228

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/431946152/free-roblox-accounts-with-robux-that-work-not-banned-game-hack PDF link annotation
    • http://palogar.es/images/coin-master-free-spin-and-coins-links_GM406889139.pdfIn PDF document text
    • http://palogar.es/images/minecraft-free-version-pc_GM479516143.pdfIn PDF document text
    • http://palogar.es/images/free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://palogar.es/images/free-robux-generator-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://palogar.es/images/free-minecraft-account-reddit_GM479516143.pdfIn PDF document text
    • http://palogar.es/images/fan-page-coin-master_GM406889139.pdfIn PDF document text
    • http://palogar.es/images/how-to-hack-coin-master-root_GM406889139.pdfIn PDF document text
    • http://palogar.es/images/how-to-get-free-robux-on-computer_GM431946152.pdfIn PDF document text
    • http://palogar.es/images/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://palogar.es/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://palogar.es/images/coin-master-free-spins-and-chips_GM406889139.pdfIn PDF document text
    • http://palogar.es/images/coin-master-hack-without-verification-code-2021_GM406889139.pdfIn PDF document text
    • http://palogar.es/images/free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://palogar.es/images/earn-robux-by-watching-ads_GM431946152.pdfIn PDF document text
    • http://palogar.es/images/coin-master-free-spins-only_GM406889139.pdfIn PDF document text
    • http://palogar.es/images/robux-generator-that-works_GM431946152.pdfIn PDF document text
    • http://palogar.es/images/free-spin-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://palogar.es/images/wurst-112-2_GM479516143.pdfIn PDF document text
    • http://palogar.es/images/how-do-you-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • http://palogar.es/images/roblox-help-free-robux_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a79.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A79 29140 bytes
SHA-256: c378f6247e5468bd98d696f8bd98378b58f961faaa19b3a72f75a6de5eef4db4
font_01_sfnt_off00008cc5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CC5 5756 bytes
SHA-256: 400ee760d8ba2af4a989a89998a708334648619bc88f048e6e7319998473a993
font_02_sfnt_off00009a1a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A1A 19248 bytes
SHA-256: efa3c9b2c8f55d2ce8a78f8ae751aa117ac14b1934403b15023fd1527a527783

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