Malicious PDF — malware analysis report

Static analysis result for SHA-256 e35218b5202070aa…

MALICIOUS

PDF

33.8 KB Created: 2021-06-20 05:16:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 3e933a94d49fcde2d0f1494281158eb6 SHA-1: b9540c696bc1296f1809d54beb6325a6b85a5f0c SHA-256: e35218b5202070aa44c59c1ea61f1f9cb00e9862483e1de8645b9621a4969c04
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of game hacks and free in-game currency to trick users into clicking malicious links. The primary link directs to a known malicious redirector infrastructure, likely serving as a gateway to further malicious content or exploits. The document body and embedded URLs strongly suggest a phishing or scamming attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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.co/app/431946152/welcome-to-farmtown-hack-roblox-game-hack In PDF document text
    • http://www.yaringhospital.go.th/UserFiles/File/really-free-robux_GM431946152.pdfIn PDF document text
    • http://www.yaringhospital.go.th/UserFiles/File/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
    • http://www.yaringhospital.go.th/UserFiles/File/free-robux-group_GM431946152.pdfIn PDF document text
    • http://www.yaringhospital.go.th/UserFiles/File/coin-master-hack-here_GM406889139.pdfIn PDF document text
    • http://www.yaringhospital.go.th/UserFiles/File/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
    • http://www.yaringhospital.go.th/UserFiles/File/coin-master-free-spin-and-coins-links_GM406889139.pdfIn PDF document text
    • http://www.yaringhospital.go.th/UserFiles/File/how-to-get-free-robux-on-kindle-fire_GM431946152.pdfIn PDF document text
    • http://www.yaringhospital.go.th/UserFiles/File/link-for-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://www.yaringhospital.go.th/UserFiles/File/coin-master-35-16-hack-apk_GM406889139.pdfIn PDF document text
    • http://www.yaringhospital.go.th/UserFiles/File/roblox-army-free-robux_GM431946152.pdfIn PDF document text
    • http://www.yaringhospital.go.th/UserFiles/File/roblox-download_GM431946152.pdfIn PDF document text
    • http://www.yaringhospital.go.th/UserFiles/File/coin-master-hack-review_GM406889139.pdfIn PDF document text
    • http://www.yaringhospital.go.th/UserFiles/File/earn-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://www.yaringhospital.go.th/UserFiles/File/coin-master-free-spins-link-2021-march_GM406889139.pdfIn PDF document text
    • http://www.yaringhospital.go.th/UserFiles/File/free-robux-no-verification-needed_GM431946152.pdfIn PDF document text
    • http://www.yaringhospital.go.th/UserFiles/File/get-free-robux-info_GM431946152.pdfIn PDF document text
    • http://www.yaringhospital.go.th/UserFiles/File/hacks-for-undertale-boss-3d-fights-roblox_GM431946152.pdfIn PDF document text
    • http://www.yaringhospital.go.th/UserFiles/File/how-do-you-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
    • http://www.yaringhospital.go.th/UserFiles/File/free-modded-minecraft-server_GM479516143.pdfIn PDF document text
    • http://www.yaringhospital.go.th/UserFiles/File/how-to-get-free-robux-no-human-verification-2021_GM431946152.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002ba1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2BA1 22548 bytes
SHA-256: 33f8fce0aa09d589341ac21dbc562fb6492118fa5a603d510c52baf2738ea68f
font_01_sfnt_off00005dd6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DD6 19544 bytes
SHA-256: ac9cf5504573c8e2b29f245a6db4cac0d6561f93685efcc71e3519f162e682f2

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