Malicious PDF — malware analysis report

Static analysis result for SHA-256 db97cc3da09c96a7…

MALICIOUS

PDF

40.4 KB Authoring application: pstoedit
MD5: 783cc6da4ab499392eaef6a8934b7f39 SHA-1: 6498e7002060aa27d75d81e6fafb22770e60cee5 SHA-256: db97cc3da09c96a792eead3d2aafe3a39d552e0750215ee4305ea3c56a1ffb4b
120 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded URLs pointing to external PDF files, indicative of a link farm designed to redirect users. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly suggests a phishing or traffic redirection campaign. The heuristic 'PDF_SEO_LINK_FARM' confirms the presence of numerous external links, with the primary domain being 'desatascosmaresme.com'. 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://desatascosmaresme.com/uploads/1/3/0/7/130740496/xobepapegebefezidid.pdf
    • http://mydearestbaby.com/uploads/1/3/0/7/130775436/tedamibiziwuvavaju.pdf
    • http://automatedsalesrocket.com/uploads/1/3/0/6/130604793/7562624.pdf
    • http://palomarpools.com/uploads/1/3/0/6/130639675/sadugujopidikim.pdf
    • http://annleebooks.com/uploads/1/3/0/6/130604090/kebuvuken.pdf
    • http://www.earportstudio.com/uploads/1/3/0/6/130604575/getesapagew.pdf
    • http://islamic-global.net/uploads/1/3/0/3/130379133/fojavodimuwumumeti.pdf
    • http://dreamamazingtravel.com/uploads/1/3/0/7/130776219/gupagu.pdf
    • http://valleyofhemp.com/uploads/1/3/0/2/130288307/zabaxopejikivu.pdf
    • http://chaionlineshopping.com/uploads/1/3/0/7/130776821/rufutitixisu-jorogajajuzo-voketapok-kajetudu.pdf
    • http://micheldumont.ca/uploads/1/3/0/6/130639885/e9678b3.pdf
    • http://agenkastam.com/uploads/1/3/0/4/130476263/finabegowajo.pdf
    • http://zatknisnahui.com/uploads/1/3/0/9/130969627/4256770.pdf
    • http://lennoxweb.com/uploads/1/3/0/5/130589115/130589115.html#schindler%27s+list+theme+violin+viola+duet

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000416e.bin
519c27cfb51384af76a6a381641889b2075236d9d007626c33226ddc670d23cc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x416E 9412 bytes

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