PDF static analysis report

Static analysis result for SHA-256 d90aef6860b3f5e4…

SUSPICIOUS

PDF

34.3 KB Created: 2021-06-26 00:57:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 0f2e85ee7f3e133dc1c4ce5f564c5322 SHA-1: d50f4926add8052a8f1509472787598afa4414e2 SHA-256: d90aef6860b3f5e43635b2d33ad6db4c51924a7eeabbc9ae12139cce2c305d09
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs, including one pointing to 'netcdn.co', which are likely intended to lead users to download malicious or unwanted software. The ML classifier strongly flagged this PDF as malicious, and the presence of a download button lure reinforces the malicious intent. No scripts were extracted from this sample, but the overall pattern suggests a phishing or social engineering attack aimed at distributing malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • 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 http://netcdn.co/app/431946152/robux-fun-com-free-robux-game-hack PDF link annotation
    • http://lib.teknik.unimal.ac.id/repository/new-roblox-exploit-hack_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/get-2021-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/roblox-account-hacker-tool_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/how-to-make-a-minecraft-bedrock-server-for-free_GM479516143.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/free-roblox-really-small-head_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/link-for-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/robux-today_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/roblox-shirt-free-shipping_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/roblox-t-shirt-free_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/free-robux-no-hack-no-scam_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/good-roblox-games-to-hack_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/free-robux-without-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/how-to-hack-someones-account-on-roblox_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/send-me-500-2021-spins_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/how-to-get-free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/coin-master-mod-apk-free-download_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/free-robux-redeem-codes-2021_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/how-to-hack-coin-master-facebook_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/free-robux-codes-no-verification_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/how-to-get-a-hacked-roblox-account-bac_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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003005.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3005 22304 bytes
SHA-256: 93e31e064b00ca8c4b36068f6054e9f6c3183a68550f7135074544bb69067b34
font_01_sfnt_off0000616f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x616F 18976 bytes
SHA-256: 94b3c1ad9bd39231c95cddad0f0caa4bca6ce058f0a2e45a0103d35e97b1b738

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