PDF static analysis report

Static analysis result for SHA-256 b1767692630f5380…

SUSPICIOUS

PDF

35.6 KB Created: 2021-06-18 20:03:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: a093b89d7d8abd0b08ef0975af15355d SHA-1: 68f04660a0ca972b2f2698286cf92598fd325469 SHA-256: b1767692630f53809e93eb4342c4f0b43336e5b8bb4689f7529b78d630f3b3c4
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs, including one pointing to 'netcdn.co', which is flagged as a suspicious external URI. The document body and extracted URLs suggest a lure for game-related cheats or currency, likely intended to trick users into downloading a secondary payload. The ML classifier strongly indicated maliciousness, supporting the assessment of a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • 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/hack-what-always-works-on-roblox-game-hack PDF link annotation
    • http://simpus.umb.ac.id/pustakaumb/slim7/repository/roblox-army-free-robux_GM431946152.pdfIn PDF document text
    • http://simpus.umb.ac.id/pustakaumb/slim7/repository/roblox-25-robux-free_GM431946152.pdfIn PDF document text
    • http://simpus.umb.ac.id/pustakaumb/slim7/repository/free-robux-gift-card_GM431946152.pdfIn PDF document text
    • http://simpus.umb.ac.id/pustakaumb/slim7/repository/free-robux-no-verification-and-no-survey_GM431946152.pdfIn PDF document text
    • http://simpus.umb.ac.id/pustakaumb/slim7/repository/roblox-goku-t-shirt-free_GM431946152.pdfIn PDF document text
    • http://simpus.umb.ac.id/pustakaumb/slim7/repository/constructeur-roblox-free_GM431946152.pdfIn PDF document text
    • http://simpus.umb.ac.id/pustakaumb/slim7/repository/twitter-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://simpus.umb.ac.id/pustakaumb/slim7/repository/free-roblox-accounts-with-limiteds_GM431946152.pdfIn PDF document text
    • http://simpus.umb.ac.id/pustakaumb/slim7/repository/minecraft-pe-free-download_GM479516143.pdfIn PDF document text
    • http://simpus.umb.ac.id/pustakaumb/slim7/repository/robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://simpus.umb.ac.id/pustakaumb/slim7/repository/coin-master-free-daily-spins-link_GM406889139.pdfIn PDF document text
    • http://simpus.umb.ac.id/pustakaumb/slim7/repository/minecraft-free-android_GM479516143.pdfIn PDF document text
    • http://simpus.umb.ac.id/pustakaumb/slim7/repository/code-pour-free-rpg-simulator-roblox_GM431946152.pdfIn PDF document text
    • http://simpus.umb.ac.id/pustakaumb/slim7/repository/free-robux-no-spam_GM431946152.pdfIn PDF document text
    • http://simpus.umb.ac.id/pustakaumb/slim7/repository/how-to-hack-the-games-of-roblox-to-have-people_GM431946152.pdfIn PDF document text
    • http://simpus.umb.ac.id/pustakaumb/slim7/repository/free-robux-generator-no-human-verification-or-surveys_GM431946152.pdfIn PDF document text
    • http://simpus.umb.ac.id/pustakaumb/slim7/repository/free-robux-roblox-rom_GM431946152.pdfIn PDF document text
    • http://simpus.umb.ac.id/pustakaumb/slim7/repository/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://simpus.umb.ac.id/pustakaumb/slim7/repository/coin-master-free_GM406889139.pdfIn PDF document text
    • http://simpus.umb.ac.id/pustakaumb/slim7/repository/how-to-make-your-own-clothes-in-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003434.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3434 21988 bytes
SHA-256: 0ce16320869e4430c5617bcac85fdb66ea310adcb3177b7f0d673edaea3e94c7
font_01_sfnt_off000064c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64C2 19468 bytes
SHA-256: fe5e90ad27cee4470167ec551973d4448458bd803e0337363a44938ee73c1b80

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