Malicious PDF — malware analysis report

Static analysis result for SHA-256 b27c14232b593546…

MALICIOUS

PDF

37.7 KB Authoring application: Soda PDF
MD5: e8fa4dbd59c1b5978a30f72e34125f3a SHA-1: 49236a637dee3aee35c03247face06864ff9d435 SHA-256: b27c14232b593546f8dcd0aa938b291f5c3a046b60a2afc7cf143c94db1a1e6a
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to numerous PDF files hosted on various domains, suggesting a link farm or a distribution mechanism for further malicious content. The ML classifier and ClamAV detection strongly support its malicious nature. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://fundsmart.co.uk/uploads/1/3/0/4/130489446/rovobogidegagu.pdf
    • http://amaebellingham.com/uploads/1/3/0/7/130739398/8299897.pdf
    • http://motodroid.com/uploads/1/3/0/8/130874277/e94750a.pdf
    • http://associazionedareprotezione.org/uploads/1/3/0/5/130590577/guboludidopu-malifab-tagesevawu-mokoralen.pdf
    • http://dgaccountingtax.com/uploads/1/3/0/3/130323717/2482922.pdf
    • http://www.zyana.org/uploads/1/3/0/2/130288455/sinuzewaginobowum.pdf
    • http://naukajazdywroclaw.com.pl/uploads/1/3/0/7/130776246/turale.pdf
    • http://theorchardhouse.net/uploads/1/3/0/2/130270869/7623195f.pdf
    • http://addisonfluids.com/uploads/1/3/0/7/130775048/kodibodowuzu.pdf
    • http://biketoworkmemphis.com/uploads/1/3/0/7/130776257/7162391.pdf
    • http://mta-sts.mx.karihayter.com/uploads/1/3/0/7/130740164/poxinatinakipinid.pdf
    • http://mytriplec-boutique.com/uploads/1/3/0/6/130640218/jowokelonegek.pdf
    • http://clinicgeek.org/uploads/1/3/0/5/130539795/1806a9d6b05b.pdf
    • http://rocknaturally.com/uploads/1/3/0/6/130621306/2d86d2c0e89.pdf
    • http://bewnanskernow.org/uploads/1/3/0/4/130435850/a59e0c3394.pdf
    • http://gracecartercapstone.com/uploads/1/3/0/6/130604375/130604375.html#factoring+quadratic+equations+steps

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000364b.bin
81fa245b720388392bc52c4edb63a26c293596273f1119c127dce2c9be9dd42e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x364B 8700 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.