Malicious PDF — malware analysis report

Static analysis result for SHA-256 07a6b4c37a552605…

MALICIOUS

PDF

39.9 KB Created: 2021-05-13 00:09:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: ae3bbdb725db9f43a5f7668ceaaa2169 SHA-1: 1ae0b3e25af47612b8a090eb1ed7b8de92000853 SHA-256: 07a6b4c37a552605762cf5d3c3bb56a0a63484db16a940c5eb59406af4eba6c4
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for a 'Roblox Got Talent Piano Hack' and directs users to a malicious redirector URL. The presence of a call-to-action button further supports the social engineering aspect of this attack. Although no scripts were explicitly extracted, the PDF structure and embedded URLs indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier clean score 0.0334

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-got-talent-piano-hack-game-hack In 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
font_00_sfnt_off000032cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32CB 30316 bytes
SHA-256: 00067622e1342c9e2b360c69436291cf36d6f22b3e452f9c60a68c648aeedfb2
font_01_sfnt_off000079ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79EF 18560 bytes
SHA-256: 718cc2b062ab6cfaeb2a411bf3639d4ddcb64813a44b35fc4dc4c297fc3c3153

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