Malicious PDF — malware analysis report

Static analysis result for SHA-256 11b068412be547a4…

MALICIOUS

PDF

48.2 KB Created: 2021-05-14 09:12:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: c120b3e64c5bfc5bc512ff20e6fd254f SHA-1: d44d820246af7c7b36e0e02715d6c672e3662e29 SHA-256: 11b068412be547a45a11b8f6f12509ba1fe535ce93531474ecef53391dd2e8ff
102 Risk Score

Malware Insights

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

The document contains a critical heuristic firing for requesting recovery secrets, indicating a phishing or social engineering attempt. It also includes external URIs and embedded URLs pointing to potentially malicious content, such as 'boost9-com-roblox-hack-game-hack'. The presence of a download button lure further supports the social engineering pretext. The document's content, though partially corrupted, suggests a lure related to game hacks or cheats.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9013

Heuristics 4

  • Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
    Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
  • 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.xyz/app/431946152/boost9-com-roblox-hack-game-hack
    • https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/coin-master-free-spins-and-coins-hack_GM406889139.pdf
    • https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/free-roebucks-com_GM431946152.pdf
    • https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/coin-master-download_GM406889139.pdf
    • https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/free-robux-survey_GM431946152.pdf
    • https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/gaming-dunia-coin-master-free-spins_GM406889139.pdf
    • https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/robuxmatch-com-free-robux_GM431946152.pdf
    • https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/best-free-minecraft-hacked-client_GM479516143.pdf
    • https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/free-robux-apps-that-work_GM431946152.pdf
    • https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/teach-me-to-hack_GM431946152.pdf
    • https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/ww-robux_GM431946152.pdf
    • https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-on-iphone_GM431946152.pdf
    • https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/coin-master-hack-2021-ios_GM406889139.pdf
    • https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/free-robux-group-payouts_GM431946152.pdf
    • https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/was-minecraft-ever-free_GM479516143.pdf
    • https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/roblox-promo-codes-free-robux_GM431946152.pdf
    • https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/free-minecraft-gift-card_GM479516143.pdf
    • https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/blogger-coin-master-free-spins_GM406889139.pdf
    • https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/free-spins-on-coin-master-hack_GM406889139.pdf
    • https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/coinmaster-spins_GM406889139.pdf
    • https://www.elearning-ganjil.massimbangkulon.sch.id/__statics/gudangsoal/files/coin-master-card-hack-apk_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004ed0.bin
2ebac1bdfab796314948aca29d299096ad7fd5130ddfe5a83161f0ebb2c64b6c		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4ED0 27580 bytes
font_01_sfnt_off00008eae.bin
10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8EAE 2880 bytes
font_02_sfnt_off00009899.bin
116e3350f892353559a46e1e2dd8dd97ba265176f89098854de85373f70222e5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9899 18708 bytes

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