Malicious PDF — malware analysis report

Static analysis result for SHA-256 74889ecb9c545ab3…

MALICIOUS

PDF

34.5 KB Authoring application: SWFTools First seen: 2020-09-24
MD5: bca95835e368900b90ad351c839b3d83 SHA-1: 351424e7301ad6fb2edaeb48152fa1b74c904ed9 SHA-256: 74889ecb9c545ab3f8d12f27783983d97f10ea5c2c7bd789fa61dafd83c2d4bb
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to other PDF files hosted on various domains, suggesting a link farm or a method to distribute 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

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://ericacauseyphotography.com/uploads/1/3/0/4/130489933/zewosev-jomupe-xebifudaneketi-silige.pdf In PDF document text
    • http://www.foodishealth.com.au/uploads/1/3/0/2/130289282/5395905.pdfIn PDF document text
    • http://diamondsupplements.com/uploads/1/3/0/4/130483629/33d9e6ae1.pdfIn PDF document text
    • http://www.stjosephsbroomhouse.org.uk/uploads/1/3/0/6/130640236/xegubida.pdfIn PDF document text
    • http://www.gracemd.org/uploads/1/3/0/2/130272631/1a49f4e2.pdfIn PDF document text
    • http://athenahighlibrary.com/uploads/1/3/0/5/130588230/5405667.pdfIn PDF document text
    • http://medrounds.net/uploads/1/3/0/6/130604433/798423.pdfIn PDF document text
    • http://dgiindex.org/uploads/1/3/0/4/130476564/4d6518a.pdfIn PDF document text
    • http://americanbeachphoto.com/uploads/1/3/0/7/130776363/xavupe.pdfIn PDF document text
    • http://hawkershack.com/uploads/1/3/0/5/130540405/zivebiw_kuwedikesi.pdfIn PDF document text
    • http://www.thebuckdown.com/uploads/1/3/0/5/130588428/ee22605393a.pdfIn PDF document text
    • http://rainbowplaydk.com/uploads/1/3/0/2/130272886/soxexorokebepabif.pdfIn PDF document text
    • http://webdisk.missionexcell.com/uploads/1/3/0/3/130313173/revuzofutovowaw.pdfIn PDF document text
    • http://moodlabnewlife.nl/uploads/1/3/0/2/130289655/130289655.html#action+speaks+louder+than+words+proverb+explanationIn PDF document text

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002ebd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EBD 7780 bytes
SHA-256: 28da598736993e19b77e638c19b088657df33a65710fcce56a9c3c7108f0927d

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