PDF static analysis report

Static analysis result for SHA-256 1b954ed5e1bd63ae…

SUSPICIOUS

PDF

31.3 KB Created: 2021-07-20 13:42:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: adc3a0327b377422fdee0be30e7f211a SHA-1: 508b464045120b3f03c7be76f33f8b7d0a1c75f2 SHA-256: 1b954ed5e1bd63aefc93e3227f4007a7013809fffe3afa0b04ecf31e2a07ee8d
42 Risk Score

Malware Insights

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

The PDF document contains embedded URLs that lead to suspicious domains, suggesting an attempt to redirect the user to download malicious content. The presence of a 'download button' heuristic further supports this, indicating a lure to trick users into initiating a download. The ML classifier also flagged this PDF as malicious, increasing the confidence in its suspicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9429

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.tw/app/479516143/free-minecraft-coloring-pages-game-hack PDF link annotation
    • http://chem.ipb.ac.id/kim/repository/free-robux-hack_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/free-minecraft-maps_GM479516143.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_off000027d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x27D1 22164 bytes
SHA-256: 57636a216e35dd2b1a8ea38aaa793596d3639cc667a1e51caadcca7debac697c
font_01_sfnt_off000058ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58EA 18224 bytes
SHA-256: 6e343a052bd34aead68fa90857bbbafbb2ebf9a3dc2705f241561e157218897d

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