Malicious PDF — malware analysis report

Static analysis result for SHA-256 beb79130679ccac4…

MALICIOUS

PDF

36.7 KB Authoring application: Mobipocket Creator
MD5: 49788a6fd83218af3f7d820780cb05c1 SHA-1: 20efe13207b945254823afce0fbc1673965c0cbf SHA-256: beb79130679ccac4d03ac19392c903ffa926dc2576c1fd43e71ca796b6b1957d
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF files hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content, as suggested by the 'PDF_SEO_LINK_FARM' heuristic and ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall'. The document body itself is heavily obfuscated and contains some of the URLs, but the primary malicious intent appears to be directing users to external resources.

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://naturaphysicaltherapy.org/uploads/1/3/0/4/130488506/8f56f9.pdf
    • http://beachhousemv.com/uploads/1/3/0/8/130873848/juwilubi_muzinubofebotup_zobogeziz_gosaxide.pdf
    • http://cloud9dental.net/uploads/1/3/0/4/130477335/1154926.pdf
    • http://ssh2019.info/uploads/1/3/0/5/130589146/972692.pdf
    • http://jacops.net/uploads/1/3/0/4/130476976/52ef72d04a34.pdf
    • http://bigresults.co.tz/uploads/1/3/0/7/130775292/5060701.pdf
    • http://1stswagexperiment.com/uploads/1/3/0/8/130814596/bewomegowalixibukuri.pdf
    • http://everyliving.com/uploads/1/3/0/7/130740259/xesasexenog.pdf
    • http://forcedcreativity.com/uploads/1/3/0/4/130436020/9583739.pdf
    • http://sigdt.com/uploads/1/3/0/7/130740440/xidulukum.pdf
    • http://www.hippiegypsylife.com/uploads/1/3/0/2/130271165/ronizaluvexanibop.pdf
    • http://tieagele.com/uploads/1/3/0/3/130313638/8029899.pdf
    • http://budaslim.com/uploads/1/3/0/5/130539922/setafizogixajudegu.pdf
    • http://www.amsiis.loveinsurance.com/uploads/1/3/0/2/130272477/c19df10.pdf
    • http://eatbetterocala.com/uploads/1/3/0/5/130545360/174f0cf.pdf
    • http://iot4d.co/uploads/1/3/0/6/130604177/gepekurevagop-nosumexifuku-vetagefuxubuv-ramagobuvupi.pdf
    • http://juntosaleer.com/uploads/1/3/0/2/130287239/kokerubezog_kogapewi_sutazedutis_dofilibevagagak.pdf
    • http://soilchefs.org/uploads/1/3/0/5/130539679/xigepuwizevifa_pakivusinesemom_lokokajele_xuwerifetarixo.pdf
    • http://www.mybuzz.com.au/uploads/1/3/0/6/130621277/nelozametafiwawivax.pdf
    • http://matsigura.net/uploads/1/3/0/7/130775917/taseta.pdf
    • http://www.sirjumpalot.net/uploads/1/3/0/4/130476024/2367792.pdf
    • http://host216.carmichaelnl.com/uploads/1/3/0/8/130814189/130814189.html#toxoplasmosis+en+embarazo+gpc

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f4b.bin
436730faa9b0dc12fcf694baaac24f965cf1a10f7accb1eb6262f5c39f9fea80		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2F4B 8228 bytes

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