Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0532ef5fffed1ae…

MALICIOUS

PDF

40.6 KB Created: 2021-05-14 02:37:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 2b1352fab418cc7d2a8ae74177c1511c SHA-1: 99d4625a8855feaecebde9cefc70c75097a2dad4 SHA-256: d0532ef5fffed1ae305b17f620dbf8be79d713c2f936422142c238fdcad511f7
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a critical heuristic firing for a game hack redirect lure, pointing to a known malicious URL. The document body also contains text and a link related to 'Cheats Coin Master Free Spins' and a 'CLICK HERE TO ACCESS COIN MASTER GENERATOR' call to action, reinforcing the lure. The embedded URL is confirmed to be part of a malicious redirector infrastructure.

Machine Learning

  • Nyx PDF Classifier clean score 0.0128

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/406889139/cheats-coin-master-free-spins-and-news-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_off0000356f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x356F 26256 bytes
SHA-256: 1722bfb4c64754381265eef0ffa41883523a73c4483771afcadba155d23b9bd4
font_01_sfnt_off000070b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70B2 3480 bytes
SHA-256: a1c9b591adae20d84a4937d36ad16b290efee1d5c09b9a55e10ce692e74bf152
font_02_sfnt_off00007cf8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CF8 18392 bytes
SHA-256: 6e3532b57e357ea54aa540dad09cc71b9a89d5bb5520344c7ec5021d108e9267

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