Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d86e9e44f4d5e7c…

MALICIOUS

PDF

39.5 KB Authoring application: LibreOffice Draw
MD5: ab2fadd94e2f4d42f03f8df571c8427e SHA-1: b5f7d4a6ad20406517925fde72c84b33ad8c29f0 SHA-256: 6d86e9e44f4d5e7cae6e9a87df79d1cb1c24ab83e920f735e49e7c3605582975
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute additional malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent. The document body text is heavily corrupted and does not provide further context.

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://300sixtyfive.com/uploads/1/3/0/5/130588654/5093373.pdf
    • http://deals.pearldistrict.com/uploads/1/3/0/3/130323155/e8fa4d26d29928.pdf
    • http://haroldhopkinson.com/uploads/1/3/0/5/130550817/b4a23058373ad1.pdf
    • http://landofosllc.net/uploads/1/3/0/7/130776821/jilitebulu_xudibebi.pdf
    • http://displacedurbanite.com/uploads/1/3/0/2/130272902/jexokizabomepibejudu.pdf
    • http://miningwithfriends.net/uploads/1/3/0/7/130739056/rexusubuwoledorova.pdf
    • http://mastergamecraft.com/uploads/1/3/0/5/130545885/mevolebifoxajamevega.pdf
    • http://plataformalabs.com/uploads/1/3/0/5/130550797/2600827.pdf
    • http://wonderful-tw.net/uploads/1/3/0/5/130589121/0ddadd40.pdf
    • http://johnsonjaguarband.net/uploads/1/3/0/7/130776457/3836409.pdf
    • http://striketrading.com/uploads/1/3/0/7/130739747/09338f7b8.pdf
    • http://kelsweet.com/uploads/1/3/0/7/130775986/ridivotereb-zutovaduvuxa-gosifofawan-vevipinexizo.pdf
    • http://bluedaisiedesigns.com/uploads/1/3/0/5/130589058/2586844.pdf
    • http://sta-66-99-58-220.ladse.org/uploads/1/3/0/8/130874396/130874396.html#spirax+sarco+regulating+valve
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicense

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000036f0.bin
ae962606fd9d46e5f0411a00ad616e194d0f0f8148aa83c797783745ff244b6b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x36F0 2716 bytes
font_01_sfnt_off000042d2.bin
0da4b070a11a2dfbfaf28af84a4baddff94093f3f1db5164c64ab92ea6323031		 pdf-font-stream PDF embedded font (sfnt) at offset 0x42D2 7448 bytes

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