Malicious PDF — malware analysis report

Static analysis result for SHA-256 9322c3e873f57bac…

MALICIOUS

PDF

34.5 KB Created: 2021-06-30 10:08:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9480411d2ea6399c0f0ad478363728bc SHA-1: c8a98928c5b8671f8d45a7272748e3510fda6b48 SHA-256: 9322c3e873f57bacb21c134b2a50a0c17ea906c3d86e58aa9240354f7d88e4ba
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains multiple links that are flagged as malicious redirectors, specifically targeting users with lures related to game hacks and free items. The primary malicious URL identified is http://netcdn.co/app/431946152/roblox-arcane-adventures-hack-game-hack. While no scripts were directly extracted, the PDF structure and embedded URLs strongly suggest an attempt to redirect users to potentially harmful content or initiate downloads. The ML classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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/roblox-arcane-adventures-hack-game-hack In PDF document text
    • http://opac.salatiga.go.id/slims7/repository/cheat-roblox-lumber-tycoon-2-2021_GM431946152.pdfIn PDF document text
    • http://opac.salatiga.go.id/slims7//repository/moon-active_GM406889139.pdfIn PDF document text
    • http://opac.salatiga.go.id/slims7/repository/how-to-hack-roblox-kazok_GM431946152.pdfIn PDF document text
    • http://opac.salatiga.go.id/slims7/repository/hack-script-for-one-piece-legendary-roblox-copy-and-paste_GM431946152.pdfIn PDF document text
    • http://opac.salatiga.go.id/slims7//repository/how-to-hack-roblox-for-robux_GM431946152.pdfIn PDF document text
    • http://opac.salatiga.go.id/slims7/repository/when-did-people-get-a-free-business-cat-on-roblox_GM431946152.pdfIn PDF document text
    • http://opac.salatiga.go.id/slims7/repository/bloxburg-roblox-hack_GM431946152.pdfIn PDF document text
    • http://opac.salatiga.go.id/slims7//repository/pokemon-go-free-legendary_GM1094591345.pdfIn PDF document text
    • http://opac.salatiga.go.id/slims7/repository/2021-roblox_GM431946152.pdfIn PDF document text
    • http://opac.salatiga.go.id/slims7/repository/tiktok-free-iphone_GM835599320.pdfIn PDF document text
    • http://opac.salatiga.go.id/slims7//repository/give-free-robux_GM431946152.pdfIn PDF document text
    • http://opac.salatiga.go.id/slims7//repository/coin-master-free_GM406889139.pdfIn PDF document text
    • http://opac.salatiga.go.id/slims7//repository/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://opac.salatiga.go.id/slims7//repository/how-to-get-free-robux-by-playing-games_GM431946152.pdfIn PDF document text
    • http://opac.salatiga.go.id/slims7//repository/how-to-get-free-hats-on-roblox_GM431946152.pdfIn PDF document text
    • http://opac.salatiga.go.id/slims7/repository/roblox-free-robux-no-survey-2021_GM431946152.pdfIn PDF document text
    • http://opac.salatiga.go.id/slims7//repository/free-spin-in-coin-master_GM406889139.pdfIn PDF document text
    • http://opac.salatiga.go.id/slims7/repository/free-robux-no-human-verification-no-survey_GM431946152.pdfIn PDF document text
    • http://opac.salatiga.go.id/slims7//repository/get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://opac.salatiga.go.id/slims7/repository/wie-kann-man-auf-roblox-hacken_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
font_00_sfnt_off00003062.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3062 22044 bytes
SHA-256: d6ca991983fd0c36a83c4f30e3bc92188f328a147e56914a7d4480ee456ecaf7
font_01_sfnt_off00006115.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6115 19188 bytes
SHA-256: fa2f8c0eb8e0d94f3cff8abd52a6165550557d132e14b8ca1fc7a28a8938d809

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