Malicious PDF — malware analysis report

Static analysis result for SHA-256 d40fe22dee3c0342…

MALICIOUS

PDF

39.2 KB Created: 2021-05-13 02:06:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 13431617c8d3874cae4c4a320c856071 SHA-1: 0b6e3422dd27ea291cedec40f71aa98403a1c8e5 SHA-256: d40fe22dee3c0342b6bb49fd1033c3452c69a4365a1b752d658934b0b7e98569
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to known malicious infrastructure, specifically advertising a 'free generator / game hack'. The document body also contains a prominent call-to-action to download a generator. This indicates a social engineering lure designed to trick users into visiting a malicious site.

Machine Learning

  • Nyx PDF Classifier clean score 0.0334

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/479516143/how-to-get-minecraft-for-free-on-mac-game-hack In 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_003_off0000362b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x362B 30248 bytes
SHA-256: 8b06ea1691e603b17b12895757962c8280c331b067d6f950b820c89273bbc92e
font_01_sfnt_off0000795d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x795D 17872 bytes
SHA-256: b6208a51cd80fab2e9318da305006c0e70657a6f065b62408d4ccaae69eb5aa0

Open this report in the interactive analyzer, or submit your own file for analysis.