Malicious PDF — malware analysis report

Static analysis result for SHA-256 c980feb576e63a75…

MALICIOUS

PDF

42.3 KB Created: 2021-05-19 12:13:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 685fcf07eae846225a6753ee0e3d1d41 SHA-1: 535472732610f1eb5c87a60f44104981d3a2d81b SHA-256: c980feb576e63a758e0953fae32f2778397ba05b3d68373d1e8fa5f43b96ffcc
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting game hacks and free resources. The heuristic firings indicate the PDF is designed as a lure for potentially harmful content. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the lure suggest a phishing or social engineering attack aimed at redirecting users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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-free-spins-link-without-human-verification-game-hack In PDF document text
    • https://www.manmed.info:443/images/download-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-spins-hack-iphone_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-robux-thumbnail_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-free-spins--coins-2021_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/how-to-download-minecraft-for-free-on-your-phone_GM479516143.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-hack-with-facebook-login_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-free-spins-link-iphone_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-daily-coin-master-coins_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-free-spins-1-coin-master_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-robux-codes_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/tiradas-coin-master_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-hack-2021-free_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/download-hack-coin-master_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-blogspot-free-spins_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/scaffold-minecraft-hack_GM479516143.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-robux-websites-2021_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/how-do-u-get-robux_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/hacks-roblox_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/how-to-download-minecraft-for-free-on-windows_GM479516143.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_003_off00004942.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4942 24692 bytes
SHA-256: 0c3791427002565f006e3043ecaf489872f90c459944c3937f866ea358b8a188
font_01_sfnt_off00008159.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8159 18952 bytes
SHA-256: 5bef7578775e519c2fb45d4e850344bcdd8c4008e312a1e50628f25058b8457a

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