Malicious PDF — malware analysis report

Static analysis result for SHA-256 14c8e1eaf526c0ca…

MALICIOUS

PDF

34.5 KB Created: 2021-06-20 16:42:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24
MD5: cbb345c79c884187a48519983a681615 SHA-1: ca72b2aec0256372038a4769f15ff483ca397084 SHA-256: 14c8e1eaf526c0caca052f36fa2a7acfa43f5f907041c47e5e9699dc68144eaa
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links and text that mimic download prompts for game cheats and hacks, specifically targeting Roblox and Coin Master. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' indicates that the primary URL leads to known malicious infrastructure, suggesting a phishing or malware distribution attempt. No scripts were extracted from this sample, but the presence of malicious links and the lure of free in-game items strongly suggest a social engineering attack.

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/nopde-engine-6.4-roblox-hacks-game-hack In PDF document text
    • http://apostolosandreaslemesou.com/images/free-attacks-coin-master_GM406889139.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/free-roblox-accounts-with-robux-that-work-not-banned-2021_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/how-to-get-any-roblox-item-free_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/roblox-com-www_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/free-robux-obby-2021_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/free-spins-and-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/how-to-hack-minecraft_GM479516143.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/rbx-free-robux_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/free-promo-codes-for-roblox-2021_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/coin-master-hacks-to-get-spins_GM406889139.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/roblox-hack-apk_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/how-to-exploit-roblox_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/hacks-para-roblox-tener-robux_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/hack-roblox-robux-using-cheat-engine_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/roblox-magnet-simolator-hack_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/minecraft-hacks-18-9_GM479516143.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/free-robux-hack-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/free-money-and-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/666-roblox-hack_GM431946152.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_off00002e6e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E6E 22336 bytes
SHA-256: d2a971342702461b07ce1c3ee8a8bddc140c56cc98f1e3ac51ab9ab9796211b5
font_01_sfnt_off00006046.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6046 19424 bytes
SHA-256: f0d0c12f79d87467c8e41b246f783a3140bd590726fe21f0614e60fa5b6494f1

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