Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ba88f615c330dc2…

MALICIOUS

PDF

44.7 KB Authoring application: Solid Converter PDF
MD5: df102de6e3ce678eb37172d0273d9195 SHA-1: 6d5b10c162f915a361e8c29e83f1db51d212bcea SHA-256: 0ba88f615c330dc2c5bbd6a959a68a2623ecdb3c661cd1ed6c57c387492ae08b
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, a technique often used for SEO manipulation or to redirect users to malicious sites. ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent. While no scripts were explicitly extracted, the embedded URLs are the primary indicators of compromise, suggesting a phishing or redirection attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://www.igrejabaptistadequeijas.com/uploads/1/3/0/4/130489082/xemel.pdf
    • http://powerofproton3.website/uploads/1/3/0/2/130289277/polizifuvupobu-rasuvujiduwo-mejupewoxu.pdf
    • http://thebendergroup.org/uploads/1/3/0/3/130313524/9005961.pdf
    • http://bguided.org/uploads/1/3/0/5/130551625/6159257.pdf
    • http://www.dilvideo.com/uploads/1/3/0/6/130639757/1678706.pdf
    • http://speculos.ca/uploads/1/3/0/4/130436513/tafilepiler.pdf
    • http://gpsintel.us/uploads/1/3/0/4/130488486/9769627.pdf
    • http://www.summitcybersecurityconsulting.com/uploads/1/3/0/6/130622033/muputifefoba_sifadotanu.pdf
    • http://twincerelyyoursfw.com/uploads/1/3/0/7/130739401/fadegelesiwodin-nisosad-velodomav-rukobosagumur.pdf
    • http://larisamanescu.com/uploads/1/3/0/2/130287938/fepemamebu-ruzikojo-retiboze.pdf
    • http://cannacab420.com/uploads/1/3/0/5/130589315/mabajudidofok.pdf
    • http://mysecretlagoon.com/uploads/1/3/0/7/130776022/wulajavavibefaf-wesud-donujagamevutid.pdf
    • http://impeachtrump.org/uploads/1/3/0/2/130289611/jusira.pdf
    • http://jennamccabe.com/uploads/1/3/0/8/130874408/130874408.html#hindi+project+class+12+front+page
    • http://fedorahosted.org/lohit
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License
    • https://savannah.gnu.org/projects/freefont/
    • http://www.gnu.org/licenses/
    • http://www.gnu.org/copyleft/gpl.html

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001b3b.bin
80c33299320c81568f6bce5f575004607b6a6c0b36da5aa72c9d36ac4e86e521		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1B3B 16304 bytes
font_01_sfnt_off00003070.bin
1723f1ced37cc89d69e30f3df6281c5e5fb8989544fd4587aa75b00c91af2fd0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3070 1388 bytes
font_02_sfnt_off00003a26.bin
240bd2c1036692e3bcc49511d5af74a17347f5042fd37bef7b4b0f11e61d9114		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3A26 7120 bytes
font_03_sfnt_off00005437.bin
27c03bd7821ed590459de172108e8074947b0247eabdf28767e837e08b961569		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5437 10484 bytes

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