PDF static analysis report

Static analysis result for SHA-256 4338e179ed4f598c…

SUSPICIOUS

PDF

41.4 KB Created: 2021-05-13 08:01:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c194163cfe5d75fa5125fcc8447f93e8 SHA-1: af5d423f6ed8454bfdbdfddd9465025bde61b4e1 SHA-256: 4338e179ed4f598c05ddcbbb3b188d8fb906ef267780dff2983ec24081862487
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a primary external URI pointing to a site offering free game currency, indicative of a phishing or scam lure. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple links suggests an attempt to redirect users to download potentially harmful content or visit malicious websites. No scripts were extracted, but the overall structure and content point towards a social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 3

  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/431946152/robux-free-com-game-hack PDF link annotation
    • http://berntfoto.dk/images/minecraft-free-download-ipad_GM479516143.pdfIn PDF document text
    • http://berntfoto.dk/images/free-coin-spin-coin-master_GM406889139.pdfIn PDF document text
    • http://berntfoto.dk/images/freespinandcoin-blogspot_GM406889139.pdfIn PDF document text
    • http://berntfoto.dk/images/coin-master-free-spins-and-free-coins_GM406889139.pdfIn PDF document text
    • http://berntfoto.dk/images/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • http://berntfoto.dk/images/free-coin-master-spin-app_GM406889139.pdfIn PDF document text
    • http://berntfoto.dk/images/robux-gratis_GM431946152.pdfIn PDF document text
    • http://berntfoto.dk/images/oprewards-login_GM431946152.pdfIn PDF document text
    • http://berntfoto.dk/images/how-to-get-free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • http://berntfoto.dk/images/roblox-character-free_GM431946152.pdfIn PDF document text
    • http://berntfoto.dk/images/coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • http://berntfoto.dk/images/cheats-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://berntfoto.dk/images/games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://berntfoto.dk/images/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://berntfoto.dk/images/roblox-how-to-get-free-clothes_GM431946152.pdfIn PDF document text
    • http://berntfoto.dk/images/free-robux-ad_GM431946152.pdfIn PDF document text
    • http://berntfoto.dk/images/coin-master-free-spins-link-no-verification-2021_GM406889139.pdfIn PDF document text
    • http://berntfoto.dk/images/free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://berntfoto.dk/images/static-moonactive-net-rewards_GM406889139.pdfIn PDF document text
    • http://berntfoto.dk/images/free-coin-master-coins_GM406889139.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_off000045da.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x45DA 24980 bytes
SHA-256: d07908c640fa8f74f481eb73651bb67dfd7c89660c52b2e8f0438ce5aae6a467
font_01_sfnt_off00007f92.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F92 18276 bytes
SHA-256: 0fd65c317a1abc649e3faff400e4768e1aa7d1dd6ac5589c15474ffa47aab2c1