Malicious PDF — malware analysis report

Static analysis result for SHA-256 580d8af745528b4f…

MALICIOUS

PDF

35.2 KB Created: 2021-06-28 04:50:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-31
MD5: 2db434e361e815d503e1aa22b17165a4 SHA-1: f24be7d7553a6a0cb29c916d61907a6ae7fdc0fa SHA-256: 580d8af745528b4f30885e70b18632daefe7c83ccffa19a7480c976f333c00c0
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to known malicious infrastructure, specifically promoting game hacks and cheats. The ML classifier strongly flagged this PDF as malicious, and the presence of a visual download button further supports a social engineering lure. The primary attack vector appears to be a phishing attempt to trick users into downloading potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/hacking-galaxykittty_2021-on-roblox-game-hack In PDF document text
    • http://perpustakaan.stietenggarong.ac.id/repository/cheats-for-coin-master_GM406889139.pdfIn PDF document text
    • http://perpustakaan.stietenggarong.ac.id/repository/roblox-free-pants-solid-color_GM431946152.pdfIn PDF document text
    • http://perpustakaan.stietenggarong.ac.id/repository/coin-master-400-spin-link_GM406889139.pdfIn PDF document text
    • http://perpustakaan.stietenggarong.ac.id/repository/best-minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • http://perpustakaan.stietenggarong.ac.id/repository/roblox-speed-hack_GM431946152.pdfIn PDF document text
    • http://perpustakaan.stietenggarong.ac.id/repository/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://perpustakaan.stietenggarong.ac.id/repository/nathorix-hacker-free-robux_GM431946152.pdfIn PDF document text
    • http://perpustakaan.stietenggarong.ac.id/repository/new-hack-roblox-2021-rbx-june_GM431946152.pdfIn PDF document text
    • http://perpustakaan.stietenggarong.ac.id/repository/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
    • http://perpustakaan.stietenggarong.ac.id/repository/free-roblox-adopt-me-accounts_GM431946152.pdfIn PDF document text
    • http://perpustakaan.stietenggarong.ac.id/repository/roblox-report-hacker_GM431946152.pdfIn PDF document text
    • http://perpustakaan.stietenggarong.ac.id/repository/how-to-get-25-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://perpustakaan.stietenggarong.ac.id/repository/free-roblox-acc_GM431946152.pdfIn PDF document text
    • http://perpustakaan.stietenggarong.ac.id/repository/coinmaster-com_GM406889139.pdfIn PDF document text
    • http://perpustakaan.stietenggarong.ac.id/repository/roblox-games-that-give-free-items_GM431946152.pdfIn PDF document text
    • http://perpustakaan.stietenggarong.ac.id/repository/coin-master-card-link-free_GM406889139.pdfIn PDF document text
    • http://perpustakaan.stietenggarong.ac.id/repository/what-do-roblox-points-do_GM431946152.pdfIn PDF document text
    • http://perpustakaan.stietenggarong.ac.id/repository/roblox-robux-gratis-sin-hacks_GM431946152.pdfIn PDF document text
    • http://perpustakaan.stietenggarong.ac.id/repository/coin-master-hack-ios-jailbreak_GM406889139.pdfIn PDF document text
    • http://perpustakaan.stietenggarong.ac.id/repository/hack-para-coin-master-singapore_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003274.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3274 21820 bytes
SHA-256: 84ee4529d6d9273358709398b68bd8f83ab58cc65ef18a8dc065f9af03285b36
font_01_sfnt_off000062bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62BF 19492 bytes
SHA-256: b266651232397bea90b30127f14655bf3c3011a75fe39bdb60aabdb0e0227f97

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