Malicious PDF — malware analysis report

Static analysis result for SHA-256 717db7a4f05105c8…

MALICIOUS

PDF

47.8 KB Created: 2021-05-10 22:25:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 22b52ba546ca32f292ea0ee6fa4edb9c SHA-1: 6a2d78cd31d8919324ad0ff391bd87f496cb95fc SHA-256: 717db7a4f05105c8d39db0ec7680a3563833738f68a06523cf885ec69f0a9710
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains embedded links and a visual download button, directing users to malicious infrastructure. The ML classifier also flagged this PDF as malicious. The primary URL, https://netcdn.xyz/app/406889139/coin-master-3.4-4-hack-download-game-hack, is associated with a known malicious redirector, indicating a likely attempt to deliver a second-stage payload or malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9013

Heuristics 3

  • 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-3.4-4-hack-download-game-hack In PDF document text
    • http://www.access-coiffure-tours.fr/images/coin-master-free-pin_GM406889139.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/free-robux-no-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/coin-master-unlimited-spin-and-coin-hack_GM406889139.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/minecraft-bedrock-for-free_GM479516143.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/get-me-robux-for-free_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/free-coins-for-flip-master_GM406889139.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/roblox-land-free-robux_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/coin-master-villages_GM406889139.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/how-do-i-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/coin-master-game-hack-online_GM406889139.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/how-to-get-free-daily-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/113-hacked-client_GM479516143.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/roblox-hack-2021_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/coin-master-hack-no-human-verification_GM406889139.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/daily-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/free-robux-working_GM431946152.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/free-spins-coin-master-links_GM406889139.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/coin-master-free-coins-link-2021-deutsch_GM406889139.pdfIn PDF document text
    • http://www.access-coiffure-tours.fr/images/free-minecraft-java-edition-codes_GM479516143.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_off00005053.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5053 24968 bytes
SHA-256: cac8ee035e613b46d26214fcb4d3baa1d5431072a861849a4c92ea5715ced961
font_01_sfnt_off000089df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89DF 4020 bytes
SHA-256: dbaa9c12d07f3632734605f1d5d6dee3ad5af1f57488e46d95dab68b383f08c5
font_02_sfnt_off00009767.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9767 18596 bytes
SHA-256: 653e32edcf9ed077e1e00ad7438c0e98859ea5c3c21d14a7675548ef56ce0412

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