Malicious PDF — malware analysis report

Static analysis result for SHA-256 edb0d72b75730e0f…

MALICIOUS

PDF

28.4 KB Created: 2021-05-21 18:05:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9577a5f4149364838d9162d2498e14ce SHA-1: e627e035533fa492d963e96312cd8d31e0b4d32f SHA-256: edb0d72b75730e0fadde36cc26cba5d8d79c0b79d1289a4d191d870bf4d5bd2b
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links and embedded text promoting free game currency and hacks, which is a common lure for malicious websites. Heuristics indicate these links lead to known malicious redirectors and infrastructure, suggesting the primary goal is to redirect users to potentially harmful content. No scripts were extracted, but the document body and heuristics strongly suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9734

Heuristics 3

  • 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.
  • 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/431946152/free-free-robux-game-hack In PDF document text
    • http://brokermortgages.com/images/omplete-surveys-for-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://brokermortgages.com/images/coin-master-hack-extension_GM406889139.pdfIn PDF document text
    • http://brokermortgages.com/images/coin-master-hack-using-cheat-engine_GM406889139.pdfIn PDF document text
    • http://brokermortgages.com/images/free-hair-roblox-boy_GM431946152.pdfIn PDF document text
    • http://brokermortgages.com/images/pokemon-go-free-online-play_GM1094591345.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00002fe7.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2FE7 27080 bytes
SHA-256: 8d0dba1f4d605d67485e6b566be9fd5a090fb542a5a3ac0a3a780988e578f035

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