PDF static analysis report

Static analysis result for SHA-256 4473ec35d0e0f95c…

SUSPICIOUS

PDF

40.8 KB Created: 2021-05-14 07:51:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: f9c201624f690429bf50fa30c34e8720 SHA-1: c7b1c94bae7468061b85ddba9b93021773b8bff1 SHA-256: 4473ec35d0e0f95c795c7f9b382bc27bfa938575ce788a2351a06e93101ff64a
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a prominent external URI pointing to sites offering game cheats for Coin Master and Roblox. The ML classifier strongly flagged this PDF as malicious, and the presence of these links suggests a phishing or malware distribution attempt. No scripts were extracted, but the document's content and heuristics indicate a lure for potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 3

  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/406889139/coin-master-online-free-spin-game-hack PDF link annotation
    • http://zercalo.org/images/free-spin-link-for-coin-master-haktuts_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/how-to-hack-roblox-on-mobile_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/roblox-com-free_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/a-lot-of-robux_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/how-do-i-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/robux-sites_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/how-do-you-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/minecraft-bedrock-hacks_GM479516143.pdfIn PDF document text
    • http://zercalo.org/images/coin-master-key-free-spin_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/free-robux-no-verification-2021-android_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/coin-master-daily-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/teach-me-to-hack_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/coin-master-free-spins-save_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/free-robux-just-click_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/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
stream_003_off00004656.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4656 24336 bytes
SHA-256: 3d6721b1928c6da84cc21eeb8dfe2cc1b30e284457159e3a63c0971e19ea26a6
font_01_sfnt_off00007e0a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E0A 17960 bytes
SHA-256: 2c7fa3368334b97167a94522378fa280712522cebcffba168a6fd88a865d6a90

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