Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e73e61f88cda591…

MALICIOUS

PDF

36.3 KB Created: 2021-05-21 19:08:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e3a0b68db424a6cd3b2d0d53f9700270 SHA-1: e7fb5b137bab8ad9e2c64b3e0490b455a05d3d7e SHA-256: 0e73e61f88cda5911864a2ad1d5c1c0dd14551141af20718cbc4549ec64089e1
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that lead to known malicious redirectors, specifically advertising 'game hacks' and 'generators'. The document body and heuristics indicate a lure for users to click these links, likely to download further malware or engage in fraudulent activities. No scripts were extracted, but the presence of malicious redirector links and the lure content strongly suggest a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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/roblox-hacks-com-game-hack In PDF document text
    • https://elearning.mtspsmtanen.sch.id/__statics/gudangsoal/files/daily-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://elearning.mtspsmtanen.sch.id/__statics/gudangsoal/files/promo-codes-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtspsmtanen.sch.id/__statics/gudangsoal/files/free-robux-codes-not-used_GM431946152.pdfIn PDF document text
    • https://elearning.mtspsmtanen.sch.id/__statics/gudangsoal/files/best-free-robux-sites_GM431946152.pdfIn PDF document text
    • https://elearning.mtspsmtanen.sch.id/__statics/gudangsoal/files/minecraft-survival-hacks_GM479516143.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_002_off00003251.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3251 25132 bytes
SHA-256: e47f6de65e55cf17d6387e553ec67eb907a829c9af76a04b9da9c6034e548d93
font_01_sfnt_off00006bd0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BD0 18440 bytes
SHA-256: 1a583cd050f8f98e2431c615d76cb557f5db8d78fe9a055893f9d58d3dd3bb04

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