Malicious PDF — malware analysis report

Static analysis result for SHA-256 6fc1f5476c6d7700…

MALICIOUS

PDF

41.5 KB Created: 2021-05-16 10:37:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 8e904e46e66c71dc537e1c190a31004e SHA-1: 5a037ccd706f20ac71ed37bb8e37eb5358b8004d SHA-256: 6fc1f5476c6d7700c6de49058f0c450de2b40a79e0f582473a756dc72b3c5121
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, specifically advertising 'Roblox Hack Tool' and other game-related cheats. The primary link, https://netcdn.xyz/app/431946152/roblox-hack-tool-game-hack, is identified as a malicious redirector. The document body and embedded URLs suggest a lure for users seeking game exploits, which is a common tactic for distributing malware. No scripts were extracted, but the presence of malicious links indicates an attempt to redirect the user to a site that likely hosts a malicious payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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 https://netcdn.xyz/app/431946152/roblox-hack-tool-game-hack In PDF document text
    • http://lillysonthelake.com/images/roblox-no-download-hack_GM431946152.pdfIn PDF document text
    • http://lillysonthelake.com/images/getrobux-ninja_GM431946152.pdfIn PDF document text
    • http://lillysonthelake.com/images/coin-master-cheats-2021_GM406889139.pdfIn PDF document text
    • http://lillysonthelake.com/images/village-3-coin-master_GM406889139.pdfIn PDF document text
    • http://lillysonthelake.com/images/free-100-robux_GM431946152.pdfIn PDF document text
    • http://lillysonthelake.com/images/free-minecraft-premium-account_GM479516143.pdfIn PDF document text
    • http://lillysonthelake.com/images/coin-master-hack-apk-download-for-android_GM406889139.pdfIn PDF document text
    • http://lillysonthelake.com/images/how-to-free-robux_GM431946152.pdfIn PDF document text
    • http://lillysonthelake.com/images/coin-master-2021-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • http://lillysonthelake.com/images/coin-master-400-spin-link_GM406889139.pdfIn PDF document text
    • http://lillysonthelake.com/images/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • http://lillysonthelake.com/images/coin-master-hack-ios-10_GM406889139.pdfIn PDF document text
    • http://lillysonthelake.com/images/google-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://lillysonthelake.com/images/coin-master-free-daily-spins-2021_GM406889139.pdfIn PDF document text
    • http://lillysonthelake.com/images/roblox-promo-codes-free-robux_GM431946152.pdfIn PDF document text
    • http://lillysonthelake.com/images/mcpe-master-coins-hack-download_GM406889139.pdfIn PDF document text
    • http://lillysonthelake.com/images/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://lillysonthelake.com/images/free-hair-roblox_GM431946152.pdfIn PDF document text
    • http://lillysonthelake.com/images/coin-master-70-spin-link-2021_GM406889139.pdfIn PDF document text
    • http://lillysonthelake.com/images/robuxmatchcom-free-robux_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_off0000498b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x498B 24568 bytes
SHA-256: 705e5879d4131443bff5540389f949ce90be8e618c5189666d9b7ddea14d95cb
font_01_sfnt_off00007fe1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FE1 18184 bytes
SHA-256: 31a2c7908075477008558d8ad35fc874cd0c1469ac409190117581929eec3da7

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