Malicious PDF — malware analysis report

Static analysis result for SHA-256 fab258cef24a42df…

MALICIOUS

PDF

24.4 KB Created: 2021-05-21 10:46:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 70fb3a5f0346cc89a10e7fd46a4b737b SHA-1: 857977d270adf3a493d3ae499f2bf22f21c17c10 SHA-256: fab258cef24a42df322905cef7183223dc61c93d4015ff621983e1021577515d
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links designed to trick users into believing they can access free game resources or hacks. These links redirect to known malicious infrastructure, specifically a generator for 'Coin Master Free Spins App'. The ML classifier also flagged this PDF as malicious. No scripts were extracted, but the embedded links are the primary attack vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8887

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/406889139/coin-master-free-spins-app-game-hack In PDF document text
    • http://jdlrealty.ca/images/how-to-get-20210-robux-for-free_GM431946152.pdfIn PDF document text
    • http://jdlrealty.ca/images/but-link-says-free-robux_GM431946152.pdfIn PDF document text
    • http://jdlrealty.ca/images/coin-master-cheats-and-hacks_GM406889139.pdfIn PDF document text
    • http://jdlrealty.ca/images/easy-robux_GM431946152.pdfIn PDF document text
    • http://jdlrealty.ca/images/free-spins-on-coin-master-cheat_GM406889139.pdfIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off0000369c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x369C 18212 bytes
SHA-256: aeec3fc2ac99c6ea64bbae91c0db8c410b807fdd698b8c3f8c643f37bb088c71

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