Malicious PDF — malware analysis report

Static analysis result for SHA-256 e574f2a0ebf6999d…

MALICIOUS

PDF

40.2 KB Authoring application: Soda PDF
MD5: ffab45b99861efbe96ff92d24aad26a4 SHA-1: 6c05835fabf332ac332e5077fc299fb2ac720d67 SHA-256: e574f2a0ebf6999da0e0540dcd94f35171189f8fdfac758bc9ce74cbb2af6345
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded URLs pointing to external PDF documents. This behavior is indicative of a link farm designed to manipulate search engine results or to distribute malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious distribution intent. No scripts were extracted from this sample.

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.wildmillers.com/uploads/1/3/0/6/130620878/0c25d.pdf
    • http://gacsalyi.net/uploads/1/3/0/6/130620955/51306d64df028ad.pdf
    • http://need4relief.com/uploads/1/3/0/5/130588617/suxerixaxajewasuk.pdf
    • http://oastexas.com/uploads/1/3/0/2/130271019/443669e2e4d1.pdf
    • http://geriatricmodelingclub.com/uploads/1/3/0/4/130476351/2164144.pdf
    • http://sherwoodrooster.com/uploads/1/3/0/7/130776366/9793877.pdf
    • http://mta-sts.mail.nicholacampbell.com/uploads/1/3/0/6/130639318/subupagefo.pdf
    • http://noahandangela.com/uploads/1/3/0/4/130483514/2969126.pdf
    • http://psychologywriteshistory.com/uploads/1/3/0/5/130588769/4126681.pdf
    • http://immigranthope.net/uploads/1/3/0/5/130539048/tabunevuserefexurij.pdf
    • http://marriedinmaine.net/uploads/1/3/0/8/130874326/wapoxuxuxefido-kefukozemi-lizeg.pdf
    • http://metroeastinterfaith.com/uploads/1/3/0/2/130289693/1499a36.pdf
    • http://monicajlivingston.com/uploads/1/3/0/7/130775862/4380795.pdf
    • http://atlantaasta.voyagerwebsites.com/uploads/1/3/0/8/130874257/130874257.html#saint+anton+am+arlberg+ski+resorts+europe

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002b4a.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B4A 16036 bytes
font_01_sfnt_off000042bc.bin
b9e8f234768d3aaf3dcb97f10dc7382a40fe285f2132821f7ff8956233831775		 pdf-font-stream PDF embedded font (sfnt) at offset 0x42BC 9008 bytes

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