Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a093bdd79bfe4be…

MALICIOUS

PDF

37.7 KB Authoring application: SWFTools
MD5: 622b6ea63af2c8160592a1afb5a573c6 SHA-1: 02f71c8797872c170ff708e25e02c087bfec91ba SHA-256: 3a093bdd79bfe4be255debfbcbf2143ab0f40c62307b6b89f9bdf19d79e097f8
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links to external PDF documents hosted on various domains. This technique is often used to create link farms for SEO manipulation or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

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://rudgeramos.com/uploads/1/3/0/6/130604656/170b2a9.pdf
    • http://sandiegofinchandsoftbill.com/uploads/1/3/0/5/130551198/928007.pdf
    • http://teamthomason.net/uploads/1/3/0/3/130313434/8a64aa3de61b29.pdf
    • http://schantzproduce.com/uploads/1/3/0/2/130289002/d2a98e5d.pdf
    • http://aquaandlove.com/uploads/1/3/0/6/130604322/xowidezixumimil.pdf
    • http://theheartofmassage.com/uploads/1/3/0/5/130551311/nosezisimololova.pdf
    • http://grammarassn.org/uploads/1/3/0/2/130289453/tilasabetules.pdf
    • http://getcached.com/uploads/1/3/0/5/130588588/3b55a3bb7a54e.pdf
    • http://www.myfathersdaughter.co/uploads/1/3/0/7/130738962/kiduvexetipiravabo.pdf
    • http://minisoundtracks.com/uploads/1/3/0/7/130739185/e695c91.pdf
    • http://3doorsnowalls.com/uploads/1/3/0/7/130739029/wuputisexijo-mobevuj-xesomopenidi.pdf
    • http://599-bonus.site/uploads/1/3/0/8/130874672/fafonuxomowek_sibazobewerori.pdf
    • http://myfaraja.com/uploads/1/3/0/7/130776504/verusigatorije.pdf
    • http://desertfoxnamibia.com/uploads/1/3/0/4/130483125/ruwibawejoxepa.pdf
    • http://meredithbirrell.com/uploads/1/3/0/5/130589429/130589429.html#difference+between+management+accounting+cost+accounting+and+financial+accounting+in+tabular+form
    • http://schantzproduce.com/uploads/1/3/0/2/130289002

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000039fb.bin
1025ea310cefc72ee8c7ca1ed8053588c1786deba6b282d97e5d385d87af7284		 pdf-font-stream PDF embedded font (sfnt) at offset 0x39FB 7712 bytes

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