Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c9062eafa022d1a…

MALICIOUS

PDF

37.2 KB Created: 2021-05-20 23:08:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 609c0cd30ce0c7230f6d4ef2b39dee60 SHA-1: d5dcf4ba25058ddfc49c638fe535b541d4540745 SHA-256: 1c9062eafa022d1af306a902b33723327344f572069cd70567cb2ff1a1ef49d4
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, including one that promises free game hacks and TikTok followers. The document body, though partially corrupted, contains references to these lures and the malicious URL. The presence of embedded links and the nature of the lures strongly suggest a phishing or scam attempt designed to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

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/835599320/tiktok-followers-for-free-game-hack In PDF document text
    • http://arthakranti.org/images/hack-coin-master-apk-31_GM406889139.pdfIn PDF document text
    • http://arthakranti.org/images/get-me-free-robux_GM431946152.pdfIn PDF document text
    • http://arthakranti.org/images/roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • http://arthakranti.org/images/how-to-download-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://arthakranti.org/images/roblox-free-robux_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003222.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3222 28148 bytes
SHA-256: d382f9f4fe6ea8023d944161adb086a6547e389a682fad433e108da4a5c8b98f
font_01_sfnt_off00007222.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7222 17692 bytes
SHA-256: 1b1e1c30a9592b0fb91196253d93c27419259905b41c1e14a3654a7d7056ebb4

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