Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb6d0ecccfaa1aab…

MALICIOUS

PDF

43.5 KB Created: 2021-05-16 08:31:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 673a45cd09f44d8f8db795315adeee49 SHA-1: 6a3201198723de8a233e158274ac16a2a38d9ae6 SHA-256: eb6d0ecccfaa1aab73d6cb0ed8a4b61ca74f192ae8e4f1a95d4a3307151a7e56
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to known malicious infrastructure, specifically promoting 'game hacks' and 'free Robux'. The primary lure URL is https://netcdn.xyz/app/431946152/roblox-promo-code-to-get-free-robux-game-hack. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate malicious redirection, likely intended to lead users to phishing or malware download sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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-promo-code-to-get-free-robux-game-hack In PDF document text
    • https://www.croatia-flyfishing.com/files/best-free-roblox-executor_GM431946152.pdfIn PDF document text
    • https://www.croatia-flyfishing.com/files/coin-master-hacks-for-free-spins_GM406889139.pdfIn PDF document text
    • https://www.croatia-flyfishing.com/files/hack-coin-master-without-human-verification_GM406889139.pdfIn PDF document text
    • http://croatia-flyfishing.com/files/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://croatia-flyfishing.com/files/install-free-game-coin-master_GM406889139.pdfIn PDF document text
    • http://croatia-flyfishing.com/files/free-robux-place_GM431946152.pdfIn PDF document text
    • https://www.croatia-flyfishing.com/files/i-cant-get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://croatia-flyfishing.com/files/robloxbux-us-generator_GM431946152.pdfIn PDF document text
    • http://croatia-flyfishing.com/files/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
    • https://www.croatia-flyfishing.com/files/free-robux-generator-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://croatia-flyfishing.com/files/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://croatia-flyfishing.com/files/free-robux-without-any-verification_GM431946152.pdfIn PDF document text
    • http://croatia-flyfishing.com/files/android-coin-master-3433-apk-hack_GM406889139.pdfIn PDF document text
    • http://croatia-flyfishing.com/files/coin-master-cards-for-free_GM406889139.pdfIn PDF document text
    • http://croatia-flyfishing.com/files/como-generar-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://www.croatia-flyfishing.com/files/free-coins-coin-master-no-human-verification_GM406889139.pdfIn PDF document text
    • https://www.croatia-flyfishing.com/files/get-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • https://www.croatia-flyfishing.com/files/how-to-get-free-robux-inspect_GM431946152.pdfIn PDF document text
    • http://croatia-flyfishing.com/files/minecraft-coins-free_GM479516143.pdfIn PDF document text
    • https://www.croatia-flyfishing.com/files/free-robux-survey_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_off00004a48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A48 26120 bytes
SHA-256: ab2364b9a76e974dabfa95238ba6deea725eeec3c762b359217198191a6a3405
font_01_sfnt_off00008661.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8661 18780 bytes
SHA-256: 57e6eef1fbc3af66d8c5b48d94799429ebee4b6256a60c8d2844d61f1a05fc0c

Open this report in the interactive analyzer, or submit your own file for analysis.