Malicious PDF — malware analysis report

Static analysis result for SHA-256 4b60ec9fb0a7a06f…

MALICIOUS

PDF

38.7 KB Created: 2021-05-10 12:00:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a79109d62f3c29a85140f91cdcb44dc9 SHA-1: 6c2ba82f8adaec9926deedbffeac9c2fb05aba10 SHA-256: 4b60ec9fb0a7a06fb30c34b0d32b6e17d5b1a12047accd1aac32bf4dcd2eb308
110 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file contains a heuristic indicating it links to known malicious redirector infrastructure, impersonating Microsoft to trick users into clicking the link. The embedded URL 'https://netcdn.xyz/app/479516143/mcpe-1.16-game-hack' is identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Mcpe 1.16' and a call to action, reinforcing the phishing lure.

Machine Learning

  • Nyx PDF Classifier clean score 0.0128

Heuristics 4

  • 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.
  • Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
    Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://netcdn.xyz/app/479516143/mcpe-1.16-game-hack.
  • 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/479516143/mcpe-1.16-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00003487.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3487 25464 bytes
SHA-256: a321537b5871428847255d0cb3d6f1c3fa5df7f1e5bdb17c20e9d32fd0752fc9
font_01_sfnt_off00006dec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DEC 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off000077d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77D7 17632 bytes
SHA-256: 4711a1543ea496a0f3d81235f335b2b9fd92f871e961f966e2047284bc2cd8dc

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