Malicious PDF — malware analysis report

Static analysis result for SHA-256 da34ca3142e9bc50…

MALICIOUS

PDF

34.2 KB Created: 2021-07-21 18:22:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e48ddcfbfdd09fb26e744832a3c68a13 SHA-1: 703576cb79bd4f283245f002d3bdf9be58b0ce1d SHA-256: da34ca3142e9bc50c4948438100ab1cd7a159e20328d8ee2988580367e7807df
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of free game hacks and generators to entice users. It contains multiple links to redirector domains, which in turn host further malicious PDF files. The primary redirector URL is http://netcdn.tw/app/479516143/minecraft-java-free-trial-game-hack, which is associated with known malicious infrastructure. The document body also contains a call-to-action phrase, reinforcing the deceptive nature of the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9955

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/479516143/minecraft-java-free-trial-game-hack In PDF document text
    • http://playmoorecello.com/images/how-to-get-free-robux-easy-no-download_GM431946152.pdfIn PDF document text
    • http://playmoorecello.com/images/free-coin-master-links_GM406889139.pdfIn PDF document text
    • http://playmoorecello.com/images/free-robux-website_GM431946152.pdfIn PDF document text
    • http://playmoorecello.com/images/coin-master-free-2021-spin-link_GM406889139.pdfIn PDF document text
    • http://playmoorecello.com/images/how-to-create-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • http://playmoorecello.com/images/how-to-get-minecraft-for-free-on-xbox-one_GM479516143.pdfIn PDF document text
    • http://playmoorecello.com/images/how-to-get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://playmoorecello.com/images/minecraft-classic-free_GM479516143.pdfIn PDF document text
    • http://playmoorecello.com/images/minecraft-pe-free-download-ios-no-jailbreak_GM479516143.pdfIn PDF document text
    • http://playmoorecello.com/images/how-to-make-a-minecraft-server-for-free_GM479516143.pdfIn 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_off0000313c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x313C 23024 bytes
SHA-256: f1552d618f267ceff5674ba643a5af3f6c775ba337256735ef9473a382900641
font_01_sfnt_off00006524.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6524 17924 bytes
SHA-256: d296bfe87a6dc97e41f58611965175a9d8d851c6709ce0e2d245db43bc469752

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