Malicious PDF — malware analysis report

Static analysis result for SHA-256 5a93951efa4e0fa5…

MALICIOUS

PDF

34.0 KB Created: 2021-05-21 13:13:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: aafbb59ac52f2b284798c3a64e154964 SHA-1: 64cbb5ba1e876b4eef3bb7dfc98de4fde4539725 SHA-256: 5a93951efa4e0fa59e9a19177adb4fdca9808b02956de4149e4106330943f124
160 Risk Score

Malware Insights

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

The PDF contains multiple links to known malicious redirectors and lures users with promises of free movie websites and game hacks. The embedded links, such as 'https://netcdn.xyz/app/835599320/free-movie-websites-tiktok-game-hack', are designed to lead users to potentially malicious content. The document body and heuristics indicate a social engineering tactic to drive users to click these links, likely for further exploitation or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9508

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/835599320/free-movie-websites-tiktok-game-hack In PDF document text
    • http://proyetec.com.co/aym_image/files/how-to-get-free-robux-no-scam_GM431946152.pdfIn PDF document text
    • http://proyetec.com.co/aym_image/files/daily-free-coin-and-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://proyetec.com.co/aym_image/files/free-roblox-shirts-templates_GM431946152.pdfIn PDF document text
    • http://proyetec.com.co/aym_image/files/coin-master-home_GM406889139.pdfIn PDF document text
    • http://proyetec.com.co/aym_image/files/how-to-hack-coin-master-cheat-engine_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 4

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_002_off00002edc.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2EDC 23440 bytes
SHA-256: cf098b0a0e2e1670a851b910c038cc5f5337c9fce43fa1d20fd69fa8ebf91a79
font_01_sfnt_off000063e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63E1 18120 bytes
SHA-256: 0d46e1f0dc9849b851c271e4d540c3f052a0d1927a07f72cfed4575bd3b5ed29

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