Malicious PDF — malware analysis report

Static analysis result for SHA-256 b07a1a7103b20b40…

MALICIOUS

PDF

44.0 KB Authoring application: OpenOffice Draw
MD5: 546936b81ad6348f95024d65ad44de50 SHA-1: b0419602b57f955d1469f6f0161d8d877f6db787 SHA-256: b07a1a7103b20b4036abb56776134625531908aed444e46692c1eac263a5c4a9
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 links to external PDF files hosted on various domains. This behavior is indicative of a link farm or a phishing campaign designed to redirect users to malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification. 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://yoniwidesign.com/uploads/1/3/0/2/130270796/jepogoxebibapaniwu.pdf
    • http://nickandsam.net/uploads/1/3/0/8/130814681/meronovabu-fexites.pdf
    • http://eatonhousewhiskey.com/uploads/1/3/0/6/130639368/8648733.pdf
    • http://moontowerdyeworks.com/uploads/1/3/0/3/130324075/dokonawupotogux-viwutemuropad-fofejevam.pdf
    • http://propertypopups.com/uploads/1/3/0/5/130589222/sebexuvofito.pdf
    • http://storytrends.com/uploads/1/3/0/6/130639362/mebalukusojonunozu.pdf
    • http://phonetac.com/uploads/1/3/0/6/130621926/fanatufisoso.pdf
    • http://fragrancize.com/uploads/1/3/0/2/130289461/zemupamofawawol.pdf
    • http://clarender.com/uploads/1/3/0/4/130489159/parajugetumi.pdf
    • http://summitsalesrecruiting.com/uploads/1/3/0/5/130550805/e0b679b1a409855.pdf
    • http://appeahse.com/uploads/1/3/0/3/130379370/xivilaso-bokinusasiz-tixubisafu-gegomurutivi.pdf
    • http://needf4knowledge.com/uploads/1/3/0/6/130621411/51d37d5.pdf
    • http://normansglutenfree.com.au/uploads/1/3/0/6/130604935/deniba.pdf
    • http://nedhee.com/uploads/1/3/0/4/130476205/kujelulo.pdf
    • http://commstech-hub.eisf.eu/uploads/1/3/0/8/130813032/lufojago-kuwowo-mubego.pdf
    • http://9pucc.slpny.com/uploads/1/3/0/7/130775645/130775645.html#pronunciation+games+for+esl+adults
    • http://propertypopups.com/upload

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000051b5.bin
8729927b5cf338488d7c3e83e321bcfcce4c6e84f0fab81110c8705183f99035		 pdf-font-stream PDF embedded font (sfnt) at offset 0x51B5 8016 bytes

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