PDF static analysis report

Static analysis result for SHA-256 49974bb3e102b062…

SUSPICIOUS

PDF

39.3 KB Created: 2021-05-12 01:00:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 0b61505ee038e5adb48e19e50cdf3d81 SHA-1: abe8a64bccebe49c064e81b597db38487cc26876 SHA-256: 49974bb3e102b0625e0ad8aa81a1d2a632e1c85e965b4f11ad35dd6abef99409
52 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as suspicious. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier clean score 0.0128

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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/free-account-roblox-2021-game-hack PDF link annotation
    • 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000031f9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x31F9 26344 bytes
SHA-256: 5322c4dac3f50be9e5c1c3eb818e30110e6f978872c6e8e38888f6f94467c538
font_01_sfnt_off00006ce5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CE5 2912 bytes
SHA-256: 02b35010e2614e3cc95ac6414c49295350c91fdfcc4b4cad27ffdbc10e80df7f
font_02_sfnt_off000076e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76E1 18596 bytes
SHA-256: 49dd130833fa0cd6018d5b82740263a755cad87b9d689d18589cb9fa20820e79

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