Malicious PDF — malware analysis report

Static analysis result for SHA-256 959a67941fb68076…

MALICIOUS

PDF

36.0 KB Created: 2021-05-25 08:11:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 994843f9e01c1150787589691f5d85d0 SHA-1: 380c3b1522caa77d12118f374aef05b46ec7420c SHA-256: 959a67941fb68076751ecf13f0de4b9e95205ebb418f7f771fd5a428d22c6209
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains multiple links pointing to known malicious redirector infrastructure, specifically designed to lure users with promises of game hacks and generators. The document body and embedded links suggest a phishing attempt related to popular games like Minecraft and Roblox. While no scripts were directly extracted, the PDF structure and heuristic firings indicate a malicious redirector workflow.

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-login-free-game-hack In PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/free-minecraft-resource-packs_GM479516143.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/minecraft-items_GM479516143.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/free-robux-live_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/roblox-zone-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn1ae.sch.id/__statics/gudangsoal/files/minecraft-bedrock-hacks-windows-10_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_off000034b6.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x34B6 24916 bytes
SHA-256: 98a0528a9513768a9b379f993056cc5d8978646d70e66c5a46393aabf037a7b0
font_01_sfnt_off00006c3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C3D 17996 bytes
SHA-256: a07e2ad8fd79bb30e6fc1ebe6b3b8a9b32aa8410594bf0891ac0147b7718a067

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