Malicious PDF — malware analysis report

Static analysis result for SHA-256 7df72759112b2aba…

MALICIOUS

PDF

37.9 KB Created: 2021-05-14 08:31:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6a309b94cf69e2d1b3c00ba6902c4de9 SHA-1: c5109d916b717594d680d0607cfc77fae28e8341 SHA-256: 7df72759112b2abafa717c15e6d656340fa95ca67db25e2e36cebc2c33fb1413
130 Risk Score

Malware Insights

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

The PDF file contains heuristics indicating it links to malicious redirector infrastructure, specifically a lure for a 'free generator / game hack'. The embedded URL, https://netcdn.xyz/app/479516143/minecraft-java-free-trial-game-hack, is identified as malicious. The document body also contains text related to Minecraft and a call to action to download, reinforcing the lure. The presence of embedded PDF streams suggests potential for exploitation or further malicious actions.

Machine Learning

  • Nyx PDF Classifier clean score 0.0313

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-java-free-trial-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_off000031ef.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x31EF 29792 bytes
SHA-256: cf458c63a16d240f5d491cfc8e61aed35abb8edbcd01fc073a524fe84a688fc4
font_01_sfnt_off0000741c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x741C 17924 bytes
SHA-256: d296bfe87a6dc97e41f58611965175a9d8d851c6709ce0e2d245db43bc469752

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