Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6ee85530cdc229d…

MALICIOUS

PDF

36.1 KB Created: 2021-05-21 05:49:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: e9f8293fee57184fb72148adb2350dc5 SHA-1: 56e239c58454adb7c998900bc279c4688deddf6f SHA-256: e6ee85530cdc229d383de9a77a43e5ff46048b758b2e802603f3f7330ef0a009
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, masquerading as game hacks or generators to entice users. The document body and heuristics indicate a lure for free game items, directing users to potentially harmful URLs. While no scripts were explicitly extracted, the PDF structure and embedded links suggest a phishing or redirection 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/479516143/minecraft-for-free-on-phone-game-hack In PDF document text
    • https://europainstitut.hu/images/free-robux-no-survey_GM431946152.pdfIn PDF document text
    • https://europainstitut.hu/images/coin-master-hack-online-cheat_GM406889139.pdfIn PDF document text
    • https://europainstitut.hu/images/regal-world-coin-master_GM406889139.pdfIn PDF document text
    • https://europainstitut.hu/images/free-robux-no-verification-no-survey_GM431946152.pdfIn PDF document text
    • https://europainstitut.hu/images/how-to-get-free-robux-on-pc_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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off000033e6.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x33E6 25636 bytes
SHA-256: 188b1b0eba9a1a3b2329a29ea8e1ec203a8d1bc7ca1e99e6a75b2dcd5a73d1cf
font_01_sfnt_off00006cb2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CB2 18032 bytes
SHA-256: 03f24e9b7df13ddf2a61f787c3fe001e8b6ca75c509430b262bdd287118d54e8

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