Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6bc01a0cbba60c0…

MALICIOUS

PDF

28.1 KB Created: 2021-06-28 08:17:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 9632adc8785005a20828839e5a9b1469 SHA-1: 03a08bb3b3f56e8b8c285b955e41ed5fd0d1e9b7 SHA-256: c6bc01a0cbba60c08429e05474859c52d54dc88e7f13d455e51ab3ad6055d95c
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for a 'free generator / game hack' which links to a known malicious redirector. The document body text and heuristics indicate a social engineering attempt to drive traffic to this malicious URL, likely for further exploitation or malware delivery. No scripts were extracted, but the PDF structure itself facilitates the redirection.

Machine Learning

  • Nyx PDF Classifier clean score 0.0330

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 http://netcdn.co/app/431946152/how-to-get-a-free-dragon-adopt-me-roblox-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 1

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_off000017a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17A5 21972 bytes
SHA-256: 39e0109c219cff08b07fe18280fa688b733e87ec031a65a48998a592d4814ab5
font_01_sfnt_off00004850.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4850 19632 bytes
SHA-256: 18983f5575a4df017aec5c66684d7c3a48c01551a37dd90f33a433177e838df9

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