Malicious PDF — malware analysis report

Static analysis result for SHA-256 b776c232a7d2f4c8…

MALICIOUS

PDF

51.5 KB Authoring application: OpenOffice.org
MD5: 632545b6bf8aeb093ee1f709d8c261c5 SHA-1: 9291fac1343f454e127b9ce9f644643163f25ab1 SHA-256: b776c232a7d2f4c829eccd05dc6b2ea770aed6c90ac007e21253208bc6ed6320
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 external PDF documents, indicative of a link farm or SEO manipulation tactic. ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely related to phishing or traffic redirection. 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://diradevelopments.com/uploads/1/3/0/6/130639706/14b41.pdf
    • http://mosholudaycamp.com/uploads/1/3/0/7/130775950/falozumim_demexogu_sukuxevemeve.pdf
    • http://robbenoptics.com/uploads/1/3/0/6/130604250/864beff3b0dce97.pdf
    • http://nylsremodelingcorp.net/uploads/1/3/0/4/130483338/kubavibirapim-kajevu-xepefigal-wefela.pdf
    • http://thespeechteach.com/uploads/1/3/0/5/130541346/6132823.pdf
    • http://blueegg.net/uploads/1/3/0/7/130738876/tadupofomidefi_nosasuranukul_lileved_kopefu.pdf
    • http://healingfromtheinsideout.net/uploads/1/3/0/5/130588796/c8489b.pdf
    • http://koiinteriors.net/uploads/1/3/0/3/130323566/385474.pdf
    • http://vandenbossracing.com/uploads/1/3/0/7/130738831/244dcb.pdf
    • http://playhousewestartsfoundation.org/uploads/1/3/0/4/130476917/newixow_refore_wunolar.pdf
    • http://ww.bettyheideman.com/uploads/1/3/0/5/130539837/73124.pdf
    • http://tiffinindia.ca/uploads/1/3/0/6/130640018/xomirenulirotev.pdf
    • http://casparscatering.com.au/uploads/1/3/0/5/130589427/sisale_puvejo.pdf
    • http://ryansbakery.shop/uploads/1/3/0/5/130588745/2df8065eb.pdf
    • http://digitalcadaver.com/uploads/1/3/0/6/130620417/sewikiziwoga_xirago_dozupurawaneg_jaxevuserure.pdf
    • http://sleepdex.com/uploads/1/3/0/7/130776262/48a00a9ac9.pdf
    • http://elevateinsightla.com/uploads/1/3/0/6/130604420/eb2fca.pdf
    • http://alliaidagriffin.com/uploads/1/3/0/4/130483123/jojejari.pdf
    • http://www.protocelantioxidant.com/uploads/1/3/0/7/130740550/1001788.pdf
    • http://mygametruckcostamesa.com/uploads/1/3/0/3/130323616/cb7a2bc98.pdf
    • http://decorativeoutfitters.com/uploads/1/3/0/6/130604290/5579743.pdf
    • http://taylor--kathryn.rominastiebenphotography.com/uploads/1/3/0/5/130551941/130551941.html#explain+what+causes+ascites+in+cirrhosis

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004db4.bin
1dedf2a01f55206504a2e8788301d42f2032b92da6732daf52bb3c93669c7e4d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4DB4 16328 bytes
font_01_sfnt_off000066b4.bin
a88453b8823fbe8f6d8bfcf1a06a97222086d645af1fc338df398ee64fdc7600		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66B4 9436 bytes

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