Malicious PDF — malware analysis report

Static analysis result for SHA-256 5969595dc0e1bc75…

MALICIOUS

PDF

43.4 KB Created: 2021-05-15 09:01:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 01dcb4a5622f0d17afa8ce650fa12db0 SHA-1: 5f6f7657e5bbcdef66151c7fad30a2d2b759aef8 SHA-256: 5969595dc0e1bc75614e60c9653519230bfcd62ee82f26064a732290176609ea
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains embedded links that redirect to malicious infrastructure, specifically promoting "game hacks" and "free generators". The ML classifier also flagged this PDF as malicious. While no scripts were extracted, the presence of malicious redirector links and the lure of free in-game currency suggest a phishing or scam attempt, likely delivered as a spearphishing attachment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

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/406889139/coin-master-card-collection-hack-game-hack In PDF document text
    • http://elearning.minkotabukittinggi.sch.id/__statics/gudangsoal/files/daily-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://elearning.minkotabukittinggi.sch.id/__statics/gudangsoal/files/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://elearning.minkotabukittinggi.sch.id/__statics/gudangsoal/files/how-to-get-infinite-robux_GM431946152.pdfIn PDF document text
    • http://elearning.minkotabukittinggi.sch.id/__statics/gudangsoal/files/free-robux-no-survey-or-human-verification_GM431946152.pdfIn PDF document text
    • http://elearning.minkotabukittinggi.sch.id/__statics/gudangsoal/files/coin-master-hack-tool-access-online-generator_GM406889139.pdfIn PDF document text
    • http://elearning.minkotabukittinggi.sch.id/__statics/gudangsoal/files/hack-coin-master-spin-apk_GM406889139.pdfIn PDF document text
    • http://elearning.minkotabukittinggi.sch.id/__statics/gudangsoal/files/no-robux_GM431946152.pdfIn PDF document text
    • http://elearning.minkotabukittinggi.sch.id/__statics/gudangsoal/files/abd-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.minkotabukittinggi.sch.id/__statics/gudangsoal/files/coin-master-free-500-spins-link_GM406889139.pdfIn PDF document text
    • http://elearning.minkotabukittinggi.sch.id/__statics/gudangsoal/files/free-robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • http://elearning.minkotabukittinggi.sch.id/__statics/gudangsoal/files/free-robux-just-click_GM431946152.pdfIn PDF document text
    • http://elearning.minkotabukittinggi.sch.id/__statics/gudangsoal/files/roblox-redeem-card-codes-free_GM431946152.pdfIn PDF document text
    • http://elearning.minkotabukittinggi.sch.id/__statics/gudangsoal/files/free-roblox-hack-us_GM431946152.pdfIn PDF document text
    • http://elearning.minkotabukittinggi.sch.id/__statics/gudangsoal/files/spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://elearning.minkotabukittinggi.sch.id/__statics/gudangsoal/files/roblox-premium-free_GM431946152.pdfIn PDF document text
    • http://elearning.minkotabukittinggi.sch.id/__statics/gudangsoal/files/coin-master-latest-version-hack_GM406889139.pdfIn PDF document text
    • http://elearning.minkotabukittinggi.sch.id/__statics/gudangsoal/files/how-to-get-free-spins-on-coin-master-2021-links_GM406889139.pdfIn PDF document text
    • http://elearning.minkotabukittinggi.sch.id/__statics/gudangsoal/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://elearning.minkotabukittinggi.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • http://elearning.minkotabukittinggi.sch.id/__statics/gudangsoal/files/freespins-coin-master_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004ad3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4AD3 22908 bytes
SHA-256: 1e2d9462308b8d8014e0a6af2575c8a6866206409cc96a9474022c709404f312
font_01_sfnt_off00007e2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E2B 2840 bytes
SHA-256: 3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676
font_02_sfnt_off000087dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87DC 17964 bytes
SHA-256: d0052490f13f589f98fbd30f74aeacf3c49ad0bd20ea66898db4f5b5e3c0c321

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