Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f2942024fd499e5…

MALICIOUS

PDF

41.7 KB Created: 2021-05-20 16:20:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: de89343493585e745107a3a42d0e6a63 SHA-1: c26eaf93262026e388be820eca22905af3f0f698 SHA-256: 1f2942024fd499e5c1d8ea2754c2393fac854f3dde34e23b0344a526c241b355
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links that redirect to malicious infrastructure, specifically advertising game hacks and generators. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms these links point to known malicious sites. The document body also contains a call-to-action phrase, suggesting a phishing or scam attempt to trick users into visiting these sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7527

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-free-play-no-download-game-hack In PDF document text
    • https://elearning.mtsalmuhajirindps.sch.id/__statics/gudangsoal/files/robux-matchcomfree-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalmuhajirindps.sch.id/__statics/gudangsoal/files/roblox-survey-for-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalmuhajirindps.sch.id/__statics/gudangsoal/files/coin-master-free-food-for-pet_GM406889139.pdfIn PDF document text
    • https://elearning.mtsalmuhajirindps.sch.id/__statics/gudangsoal/files/coin-master-card-collection-hack_GM406889139.pdfIn PDF document text
    • https://elearning.mtsalmuhajirindps.sch.id/__statics/gudangsoal/files/get-free-robux-info_GM431946152.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000035a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x35A5 27632 bytes
SHA-256: 914cc29f4481acf5e28988eea7e431a783afcff6ffdcf6fed278754cb6120b3c
font_01_sfnt_off000072aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x72AA 3608 bytes
SHA-256: 608f0dd4f6bfb6adbccec84228618ee8e4c9e09226d7330efb5300e499d1567f
font_02_sfnt_off00007f32.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F32 19016 bytes
SHA-256: c08b0bfed4549b0a018fdd65c7ecfbabaaf271df113fe836b296c7344acf0339

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