Malicious PDF — malware analysis report

Static analysis result for SHA-256 aecc1ff6977d3a66…

MALICIOUS

PDF

31.0 KB Created: 2021-07-20 08:11:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 4f9d40f279481e3a9f038764c1540f3a SHA-1: c2a9f272d2c7cebee408e186d5cca0f297a9b39a SHA-256: aecc1ff6977d3a665a4e3f71a8ccc05019fee52c41bb5fceb735e22d72285798
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains multiple links and a call-to-action phrase ('CLICK HERE TO ACCESS ROBUX GENERATOR') designed to trick users into visiting a malicious URL. This URL is identified as a known malicious redirector, likely serving as a lure for scams or further malware delivery. The document's content and structure strongly suggest a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier clean score 0.0564

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 http://netcdn.tw/app/431946152/roblox-script-hack-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
font_00_sfnt_off0000242d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x242D 22548 bytes
SHA-256: 52a7f0494ee21c1204fd5c51f214cc472c122940cd08c03d38da95ea8dfb9af8
font_01_sfnt_off0000561b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x561B 18768 bytes
SHA-256: 7659c4a733e4da23e1d7e65f2ca3ce78126b1a261841e92e3ef75f6514f379ce

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