Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a2013e8c7786e33…

MALICIOUS

PDF

34.5 KB Created: 2021-06-27 12:13:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: d483ce31a175887972774e7576d74c35 SHA-1: c87e368e87f23591550a9b90370e0ffdfc4f1678 SHA-256: 9a2013e8c7786e334c9a0f3fd7978183bf7295051d4d648fa850ada29087d59c
62 Risk Score

Malware Insights

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

The document contains numerous embedded URLs and a prominent link in its body text, all related to obtaining free Robux or game hacks. The ML classifier strongly flagged this PDF as malicious, and the presence of a download button lure and callback lure heuristics further support a malicious intent. The primary goal appears to be directing the user to a malicious website, likely for a scam or to download further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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/how-to-hack-roblox-so-i-can-get-robux-game-hack
    • https://elearningmts.pontrenannur.or.id/__statics/gudangsoal/files/how-to-get-free-robux-fast_GM431946152.pdf
    • https://elearningmts.pontrenannur.or.id/__statics/gudangsoal/files/roblox-free-wings-2021_GM431946152.pdf
    • https://elearningmts.pontrenannur.or.id/__statics/gudangsoal/files/free-robux-generator-no-survey-no-human-verification-2021_GM431946152.pdf
    • https://elearningmts.pontrenannur.or.id/__statics/gudangsoal/files/how-to-hack-roblox-accounts-on-phone_GM431946152.pdf
    • https://elearningmts.pontrenannur.or.id/__statics/gudangsoal/files/free-multiplayer-minecraft-server_GM479516143.pdf
    • https://elearningmts.pontrenannur.or.id/__statics/gudangsoal/files/minecraft-pe-free-download_GM479516143.pdf
    • https://elearningmts.pontrenannur.or.id/__statics/gudangsoal/files/how-to-make-a-server-in-minecraft-java-for-free_GM479516143.pdf
    • https://elearningmts.pontrenannur.or.id/__statics/gudangsoal/files/oprewards-com-robux_GM431946152.pdf
    • https://elearningmts.pontrenannur.or.id/__statics/gudangsoal/files/spin-coin-master-free_GM406889139.pdf
    • https://elearningmts.pontrenannur.or.id/__statics/gudangsoal/files/free-robux-with-no-verification_GM431946152.pdf
    • https://elearningmts.pontrenannur.or.id/__statics/gudangsoal/files/coin-master-admin-free-spins_GM406889139.pdf
    • https://elearningmts.pontrenannur.or.id/__statics/gudangsoal/files/roblox-pro-hack-script_GM431946152.pdf
    • https://elearningmts.pontrenannur.or.id/__statics/gudangsoal/files/free-tiktok-likes-trial_GM835599320.pdf
    • https://elearningmts.pontrenannur.or.id/__statics/gudangsoal/files/roblox-fun-com-robux_GM431946152.pdf
    • https://elearningmts.pontrenannur.or.id/__statics/gudangsoal/files/is-roblox-studio-free_GM431946152.pdf
    • https://elearningmts.pontrenannur.or.id/__statics/gudangsoal/files/apk-hack-coin-master_GM406889139.pdf
    • https://elearningmts.pontrenannur.or.id/__statics/gudangsoal/files/free-roblox-accounts-with-robux-that-work-not-banned-2021_GM431946152.pdf
    • https://elearningmts.pontrenannur.or.id/__statics/gudangsoal/files/http-blackgamesus-coinmasterhack_GM406889139.pdf
    • https://elearningmts.pontrenannur.or.id/__statics/gudangsoal/files/unlimited-spin-coin-master-hack_GM406889139.pdf
    • https://elearningmts.pontrenannur.or.id/__statics/gudangsoal/files/apps-for-free-spins-on-coin-master_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002ff2.bin
a273f5fc7c354d2569a0d37bf179cf22988e6837339559eaed889522aaa52e82		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2FF2 22432 bytes
font_01_sfnt_off000061ae.bin
cc535015137cc2ba3e3d722eed648e2479aa9f7323f584e6ac43c457e4729e80		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61AE 19064 bytes

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