Malicious PDF — malware analysis report

Static analysis result for SHA-256 208f67f353e874b5…

MALICIOUS

PDF

44.6 KB Created: 2021-05-16 23:25:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 91f5fa3b9bff41bf82478ceaa2fdcec0 SHA-1: a810f5f71de00c5d3dfce08fd6864a9289f0f1b7 SHA-256: 208f67f353e874b5fe71874e7d30c711c00e448da475d1f574f26e2da190c71d
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a malicious redirector link disguised as a lure for game cheats. The ML classifier also flagged this PDF as malicious. The presence of multiple embedded URLs pointing to similar scam-related content suggests a phishing or scam campaign aimed at tricking users into visiting malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9632

Heuristics 3

  • 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/i-can In PDF document text
    • http://lekarinfo.mk/images/free-robux-scam_GM431946152.pdfIn PDF document text
    • http://lekarinfo.mk/images/free-roblox-girl-clothes_GM431946152.pdfIn PDF document text
    • http://lekarinfo.mk/images/robuxglobalcom_GM431946152.pdfIn PDF document text
    • http://lekarinfo.mk/images/coin-master-free-rare-cards_GM406889139.pdfIn PDF document text
    • http://lekarinfo.mk/images/is-it-possible-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://lekarinfo.mk/images/minecraft-free-download-mobile_GM479516143.pdfIn PDF document text
    • http://lekarinfo.mk/images/rbx-land-free-robux_GM431946152.pdfIn PDF document text
    • http://lekarinfo.mk/images/robux-matchcomfree-robux_GM431946152.pdfIn PDF document text
    • http://lekarinfo.mk/images/how-to-really-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://lekarinfo.mk/images/free-flip-master-coins_GM406889139.pdfIn PDF document text
    • http://lekarinfo.mk/images/hack-coin-master-app-ios_GM406889139.pdfIn PDF document text
    • http://lekarinfo.mk/images/coin-master-hack-generator_GM406889139.pdfIn PDF document text
    • http://lekarinfo.mk/images/coinmaster-spins_GM406889139.pdfIn PDF document text
    • http://lekarinfo.mk/images/hack-minecraft_GM479516143.pdfIn PDF document text
    • http://lekarinfo.mk/images/robux-generator-no-survey_GM431946152.pdfIn PDF document text
    • http://lekarinfo.mk/images/free-roblox-accounts-2021-with-robux_GM431946152.pdfIn PDF document text
    • http://lekarinfo.mk/images/coin-master-free-coins-twitter_GM406889139.pdfIn PDF document text
    • http://lekarinfo.mk/images/free-daily-spins-from-coin-master_GM406889139.pdfIn PDF document text
    • http://lekarinfo.mk/images/free-coins-and-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://lekarinfo.mk/images/como-hackear-coin-master-iphone_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
stream_003_off000047c2.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x47C2 25700 bytes
SHA-256: 02f370c4dbcde276d83dc4d2dfb3e9e22fe82fb627b0e70640c5a728647e1874
font_01_sfnt_off00008194.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8194 3400 bytes
SHA-256: 4b3e0f36ad1e0c7e3ea5c178fd2b4f097d1e01575fc6a4101a8b520db34dfe07
font_02_sfnt_off00008cbd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CBD 17952 bytes
SHA-256: ff0c2fd87def8c3d08bc052d35a059552b69b6ff80e738d461809d40e2b5bde5