Malicious PDF — malware analysis report

Static analysis result for SHA-256 137071e3641c7661…

MALICIOUS

PDF

33.6 KB Created: 2021-06-17 16:33:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 09c59aea0b6f49fe161838cadb0c3b47 SHA-1: 635927bcda450d3f7a32f1da970841ee01725cbb SHA-256: 137071e3641c7661c458919881492ff18f941bfcb1169cf6a5d234567e8c3077
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that redirect to malicious infrastructure, masquerading as game hacks or generators. The primary lure, 'Download Hack In Roblox', points to a known malicious redirector. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a phishing or social engineering attack aimed at tricking users into downloading potentially unwanted or malicious software.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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/download-hack-in-roblox-game-hack In PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/coin-master-lucky-patcher-hack_GM406889139.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/minecraft-alt-accounts-free_GM479516143.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/how-to-make-my-own-coin-master-cards-hack_GM406889139.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/spin-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/spin-rewards-coin-master_GM406889139.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/how-to-get-free-tiktok-likes_GM835599320.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/how-to-get-free-spins-on-coin-master-iphone_GM406889139.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/free-mobile-360-roblox_GM431946152.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/huskybuscom-free-robux_GM431946152.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/easy-robux-hack_GM431946152.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/roblox-hack_GM431946152.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/how-to-get-free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/when-was-minecraft-free_GM479516143.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/get-free-robux_GM431946152.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/free-coin-master-spins-link_GM406889139.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/free-private-minecraft-server_GM479516143.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/coin-master-hack-spin-link_GM406889139.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/daily-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/free-roblox-accounts-with-robux-that-work-not-banned_GM431946152.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/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 2

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_off00002e3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E3D 21868 bytes
SHA-256: eb41e268b65fe312e72662710f865ac6b4fd5f2eb56cfff5504e4c75a53796bf
font_01_sfnt_off00005e48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E48 18976 bytes
SHA-256: b65c4742e078a7b62cfc14f9f4589ea1775232fe1cb2d648ec1b115e447c3f81

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