Malicious PDF — malware analysis report

Static analysis result for SHA-256 f69d26334f4a0977…

MALICIOUS

PDF

34.1 KB Created: 2021-06-25 21:28:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 7bbb68f4c3d147c8679a67775ad7552d SHA-1: bb37d98b01dbe4ceb00d8bfd2b96de3dcd77a39f SHA-256: f69d26334f4a09775ca86fdf52df4560b5f96b0a09a2e5e6a3334c0285a7b78a
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links that redirect to malicious infrastructure, specifically designed to lure users with promises of game hacks and free items. The primary link, http://netcdn.co/app/431946152/cute-free-outfits-on-roblox-game-hack, is identified as a malicious redirector. The document body and embedded URLs reinforce this lure, indicating a phishing attempt to drive users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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.
  • PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED
    The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
  • 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/cute-free-outfits-on-roblox-game-hack In PDF document text
    • http://zagi.hr/files/free-black-widow-sword-roblox_GM431946152.pdfIn PDF document text
    • http://zagi.hr/files/coin-master-hack-apk-online_GM406889139.pdfIn PDF document text
    • https://www.zagi.hr/files/minecraft-redeem-code-free_GM479516143.pdfIn PDF document text
    • http://zagi.hr/files/coin-master-free-spins-without-human-verification_GM406889139.pdfIn PDF document text
    • http://zagi.hr/files/roblox-hack-client_GM431946152.pdfIn PDF document text
    • http://zagi.hr/files/coin-hackhub-coin-master_GM406889139.pdfIn PDF document text
    • https://www.zagi.hr/files/how-to-get-free-dimonds-in-roblox-royle-high-shool_GM431946152.pdfIn PDF document text
    • http://zagi.hr/files/coin-master-hacks-iphone_GM406889139.pdfIn PDF document text
    • http://zagi.hr/files/coin-master-hack-without-verification-site-zyngaplayerforumscom_GM406889139.pdfIn PDF document text
    • http://zagi.hr/files/coin-master-free-spin-and-trading-group_GM406889139.pdfIn PDF document text
    • https://www.zagi.hr/files/coin-master-free-spin-link-today-16-11-2021_GM406889139.pdfIn PDF document text
    • https://www.zagi.hr/files/coin-master-heaven-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
    • http://zagi.hr/files/what-is-coin-master_GM406889139.pdfIn PDF document text
    • http://zagi.hr/files/free-robux-codes_GM431946152.pdfIn PDF document text
    • http://zagi.hr/files/robux-free-com_GM431946152.pdfIn PDF document text
    • https://www.zagi.hr/files/coin-master-hack-spin-ios_GM406889139.pdfIn PDF document text
    • https://www.zagi.hr/files/minecraft-apk-download-free-11-055_GM479516143.pdfIn PDF document text
    • http://zagi.hr/files/pokemon-go-free-spoofer_GM1094591345.pdfIn PDF document text
    • http://zagi.hr/files/roblox-hack-download_GM431946152.pdfIn PDF document text
    • http://zagi.hr/files/free-roblox-codes-june-2021_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_off00002fa3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FA3 22472 bytes
SHA-256: 0b44b59ba814ede66fde0debe45e62c4a2662d89167dffcf198a4539dcca78b4
font_01_sfnt_off000061e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61E9 19012 bytes
SHA-256: 7a21d602abe1f2ae32a84525477a39986e1ae2adfd1b711df79e79bbccaac831

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