Malicious PDF — malware analysis report

Static analysis result for SHA-256 986b8a3fd636769d…

MALICIOUS

PDF

34.8 KB Authoring application: Scribus
MD5: a3a043c01d8605ba13459048ea9631bf SHA-1: b1af4a8ad36057d3b1f937e97088970f82466e0e SHA-256: 986b8a3fd636769d80da8f7b6f6bf0b4f29f9677c4a28ed0237177a75d175150
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was flagged by multiple heuristics, including a critical finding for a link farm containing numerous external URLs. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. The embedded document body contains a large number of URLs, all pointing to external PDF files, indicating a likely attempt to lure users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://liveauctionevents.net/uploads/1/3/0/7/130775197/9ce07f.pdf
    • http://mygreatideas.co.nz/uploads/1/3/0/4/130435857/verufuwuwekod.pdf
    • http://narchack.com/uploads/1/3/0/3/130313156/gutasegefujuno.pdf
    • http://micsaklaw.com/uploads/1/3/0/5/130545895/426424235bad4.pdf
    • http://charlidrawz.com/uploads/1/3/0/2/130270946/kiran_bilixujesado_maposebo_fotiwedibopelal.pdf
    • http://cyclebavaria.com/uploads/1/3/0/6/130639883/5613527.pdf
    • http://train4safety.net/uploads/1/3/0/6/130604631/woxubibarivipejo.pdf
    • http://moonshot.games/uploads/1/3/0/6/130639590/fosebavijo_vilememuwi_rozelojurupu.pdf
    • http://allaymedicinal.com/uploads/1/3/0/2/130288307/fepunam_xizofuduvu_banawori.pdf
    • https://dufodebotuzivus.weebly.com/uploads/1/3/0/5/130543539/vopowepufo-sazerufepaxodul-zovoxajit-gajobemo.pdf
    • http://arcadiagardensllclandscapinganddesign.com/uploads/1/3/0/5/130551094/130551094.html#black+hole+sun+chord+easy

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000129e.bin
650ad3631205510cd07175b6ceb86bbfe4b0c10029142dffe2962c95b5cdee9d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x129E 7280 bytes

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