Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae2c330f0129435b…

MALICIOUS

PDF

47.1 KB Created: 2021-06-04 02:03:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 1213153b9b8274bee40f23e732f0b299 SHA-1: 45b0b18b3d0f58da356dda04e081708f685b0e01 SHA-256: ae2c330f0129435b240d02b4961bb217c7ad0bf2a0019f7515969388528b462c
82 Risk Score

Malware Insights

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

The PDF document employs social engineering tactics, presenting itself as a Minecraft Pocket Edition download to trick users into clicking malicious links. The heuristic 'SE_CLICKFIX' indicates the document instructs users to run commands, likely to bypass security controls and execute a payload. The presence of numerous external URLs suggests the document is a downloader or part of a phishing campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9832

Heuristics 4

  • ClickFix social engineering attack high SE_CLICKFIX
    Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
  • 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 https://netcdn.online/app/479516143/minecraft-pocket-edition-download-free-pe-calculator-game-hack PDF link annotation
    • http://lib.fisipumt.ac.id//repository/static-moonactive-net-free-spins_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-custom-minecraft-skins_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/coin-master-hack-mod-apk-35-8_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/coin-master-game-hacks_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-group-roblox_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/mcpe-optifine_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/cheat-codes-for-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/wurst-hacked-client_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/free-spins-coin-master-2021-glitch_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-robux-redeem-codes-2021_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/best-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/free-hair-roblox_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-unlimited-robux_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/coin-master-app-hacks_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/roblox-scam_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/coin-master-gift-link-hack_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/robux-com-roblox_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
stream_004_off000051ad.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x51AD 29712 bytes
SHA-256: f51af498e73c913c8ff5a40aaceaddac4464eb49709dc565df0f8d0aa066ff5f
font_01_sfnt_off0000946e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x946E 18752 bytes
SHA-256: 8668002c62b81273482b61da1613b994afc8b764b14ec7b2ef260aeb97363f7c

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