Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae35ca29c23f2bcd…

MALICIOUS

PDF

47.0 KB Created: 2021-05-10 11:30:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 090d649c0e929b15a5505276087418ff SHA-1: 9cb2bc3f87d3df91d961df9474aac655c1ced32f SHA-256: ae35ca29c23f2bcd2561ec88174025146046fed2b3e5357ea28a04404505313e
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for a 'free generator / game hack' which redirects to a known malicious URL. This suggests a phishing or scam attempt designed to entice users to click the link. No scripts were extracted, but the presence of embedded URLs and the nature of the lure indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier clean score 0.0123

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/minecraft-diamond-finder-hack-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003698.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3698 24552 bytes
SHA-256: 6a3d70e0baea9957548300c3ac9040872e9e4efbc1473819eb8d87843b54a1ce
font_01_sfnt_off00006dc3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DC3 8036 bytes
SHA-256: f77d9090b5fca4af240847dfd955066f0247fd401487f394450d95de3b0821d2
font_02_sfnt_off00008740.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8740 4232 bytes
SHA-256: ab6320ab342704d2c5943abfba82ed4837bf2da871c91621741fd4cfd15c6ed5
font_03_sfnt_off000095cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x95CD 18484 bytes
SHA-256: 265962787b73e694aac7c67ed987488fc8d8021a4c66c1127c37ccae154b779c

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