Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7e0dce26d4337aa…

MALICIOUS

PDF

57.8 KB Authoring application: LibreOffice
MD5: 3d9b2133e9272b89a4c7cad27b62c346 SHA-1: 8cfc7e1dfde32b8466f0747802d11297d4f10b92 SHA-256: d7e0dce26d4337aa2241e2b47fe9e76d75b597fa2e1b7041e469ac89186b0abb
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents hosted on various domains. This behavior is indicative of a link farm or a phishing campaign designed to redirect users to potentially malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification. No scripts were extracted from this sample, limiting the ability to determine further payload delivery or execution 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://leftlanestudios.com/uploads/1/3/0/2/130289235/metotaxepijizenom.pdf
    • http://flectomechanical.com/uploads/1/3/0/5/130550949/a44b140ee74.pdf
    • http://swclink.com/uploads/1/3/0/7/130739347/volikirunimuvex.pdf
    • http://cambcollege.com/uploads/1/3/0/7/130776114/jexivejanabeziv_xoxotazakuzi_pokenojebo.pdf
    • http://www.cloudbrk.net/uploads/1/3/0/2/130271023/sotamud.pdf
    • http://reallydo.care/uploads/1/3/0/6/130622111/484b1ca45a.pdf
    • http://mx.mx.simplyrealestate.net/uploads/1/3/0/2/130273982/f4c21123b25.pdf
    • http://themayagroup.net/uploads/1/3/0/5/130541285/jukizir.pdf
    • http://geekpapaya.net/uploads/1/3/0/7/130740190/sinelegafutafaw.pdf
    • http://www.nioconsultancy.co.uk/uploads/1/3/0/8/130874239/5270921.pdf
    • http://mousepicked.com/uploads/1/3/0/7/130738975/funemikanalodupuvoxi.pdf
    • http://www.bowcare.nl/uploads/1/3/0/7/130776824/32eb1da.pdf
    • http://theunfamiliarpath.com/uploads/1/3/0/8/130814193/wovet-nerebed-nebowamutibo.pdf
    • http://ns1.herothrillshow.org/uploads/1/3/0/8/130813531/gisefizopovuragev.pdf
    • http://toprestaurantreviews.com/uploads/1/3/0/2/130289755/3855230.pdf
    • http://mail.electeckhoff.com/uploads/1/3/0/6/130604422/bixopozapokuxoku.pdf
    • http://www.koreimpressions.com/uploads/1/3/0/8/130813639/jibamovurawimike.pdf
    • http://webmail.tyriddick.com/uploads/1/3/0/3/130379597/2257767.pdf
    • http://naturecalling.us/uploads/1/3/0/3/130323182/948912.pdf
    • http://mojaveoffroadadventures.com/uploads/1/3/0/7/130776328/loxogolapafiti.pdf
    • http://dashanren.com/uploads/1/3/0/2/130273814/kumakakesaj_netumugitotawoz_lekox.pdf
    • http://www.my-atoz.com/uploads/1/3/0/4/130435842/jevejibevonaf-bigodefuno.pdf
    • http://koawarriors.com/uploads/1/3/0/2/130272880/larukirekiwixakunaf.pdf
    • http://jfproductionsvideo.com/uploads/1/3/0/2/130287495/6237315.pdf
    • http://crawford-wedding.rominastiebenphotography.com/uploads/1/3/0/9/130969143/130969143.html#csma%2Fcd+not+used+in+wireless

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000114d.bin
d80955c52c9b8ceaf515ffc1bf225c1c894cdeed25e32a5c7bd891e3ef1862e8
pdf-font-stream PDF embedded font (sfnt) at offset 0x114D 9872 bytes
font_01_sfnt_off00008acc.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63
pdf-font-stream PDF embedded font (sfnt) at offset 0x8ACC 16036 bytes