Malicious PDF — malware analysis report

Static analysis result for SHA-256 234ec40881440ac6…

MALICIOUS

PDF

39.6 KB Created: 2021-05-14 08:08:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d157c152e791448ccf78d1c3d6aa103e SHA-1: 7fb0278f8898c9c24624c5a82ca1076dab60b28a SHA-256: 234ec40881440ac6fed3d3678dbe2afa0a3f86fd12588710762e8d614ef3fdc0
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one identified as a malicious redirector, leading to a lure for 'free generator / game hack' content. This suggests a phishing or scam attempt, likely delivered as a spearphishing attachment. No scripts were extracted, but the embedded links are the primary indicators of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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/479516143/how-to-get-hacks-on-minecraft-game-hack In PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/coin-master-free-link_GM406889139.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/microsoft-robux_GM431946152.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/coin-master-daily-free-spins-link-facebook_GM406889139.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/apk-hack-coin-master_GM406889139.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/free-minecraft-hosting-24-7_GM479516143.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/cm-daily-spins_GM406889139.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/free-spins-on-coin-master-link_GM406889139.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/coin-master-hack-without-human-verification-2021_GM406889139.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/como-hackear-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/free-robux-hack-generator_GM431946152.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/free-spin-link-coin-master_GM406889139.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/roblox-free-roblox_GM431946152.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/how-to-download-minecraft-windows-10-edition-for-free_GM479516143.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/coin-master-heaven-free-spins-link_GM406889139.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/daily-free-spins-and-coins-coin-master_GM406889139.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/coin-master-hack-safe_GM406889139.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/coin-master-15-free-spin-link-of-last-5-days_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn 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_003_off000050c1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50C1 25056 bytes
SHA-256: bdce6806e7bfeddcc4a4704d70bc16927b9a2433600cbeefca6ab28d0af5b056

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