Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea2ec063b1d4ee55…

MALICIOUS

PDF

40.6 KB Created: 2021-05-20 23:40:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 35ed6984ec0fc8b00f2d87c41315a861 SHA-1: 7a78d2fe7e2e73fd34eacc3d58b358e5002d59cf SHA-256: ea2ec063b1d4ee55839ff86ac8fb98c9afd41af2f35c555658748776803f372d
160 Risk Score

Malware Insights

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

The PDF contains multiple links to malicious redirectors, disguised as "game hacks" and "account generators" for popular games like Roblox. The heuristic firings indicate these links lead to known malicious infrastructure. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to exploit user interest in game cheats to redirect them to potentially malicious sites, likely for further payload delivery or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7768

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/how-to-hack-roblox-accounts-2021-game-hack In PDF document text
    • https://elearning.mialirsyadkotakediri.com/__statics/gudangsoal/files/free-coin-master-account_GM406889139.pdfIn PDF document text
    • https://elearning.mialirsyadkotakediri.com/__statics/gudangsoal/files/free-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • https://elearning.mialirsyadkotakediri.com/__statics/gudangsoal/files/roblox-zone-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mialirsyadkotakediri.com/__statics/gudangsoal/files/how-to-get-hacks-on-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mialirsyadkotakediri.com/__statics/gudangsoal/files/how-to-get-2021-robux-for-free_GM431946152.pdfIn 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_002_off00003583.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3583 25408 bytes
SHA-256: 325cb642fe165f75021226bb9d43639dea0b7a1cceab7e6756426801b4c38701
font_01_sfnt_off000070cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70CC 2892 bytes
SHA-256: c2578a292634a901613c1dd9f9883dd4930e6811e59ae03d696f263e56ea17b4
font_02_sfnt_off00007ab6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7AB6 18992 bytes
SHA-256: 91904dcb98687fcf58c7b52e545a9fbf658b3e4d1998331468638ebaf1d03505

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