Malicious PDF — malware analysis report

Static analysis result for SHA-256 1a88763a4ae5f260…

MALICIOUS

PDF

48.5 KB Authoring application: OpenOffice Draw First seen: 2020-09-24
MD5: 89232e9cf36fd3e86b7cc3498f60ba13 SHA-1: 00ef5491739c6245ba82b51e12fcb1eec758b5a8 SHA-256: 1a88763a4ae5f26067799a264be34a48572a20fdf275c0df21a3ad5005e94e10
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 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 designed to redirect users to potentially malicious content or phishing sites. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing and traffic redirection intent.

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://www.salon-twenty5.com/uploads/1/3/0/5/130539129/mokedixulumulelivow.pdf In PDF document text
    • http://ninjaprite.com/uploads/1/3/0/3/130313113/wujuwoxexixelip_falukijan_fozida_vopasadup.pdfIn PDF document text
    • http://oakdalepoolservice.com/uploads/1/3/0/5/130588357/6bc6ef4d5b6a89.pdfIn PDF document text
    • http://happyscampersf.com/uploads/1/3/0/6/130621397/273818.pdfIn PDF document text
    • http://y-knotindustriesinc.com/uploads/1/3/0/9/130969472/zejizaso.pdfIn PDF document text
    • http://content.bbbshawaii.org/uploads/1/3/0/9/130970008/valesinafeluzu-jasapifitoz.pdfIn PDF document text
    • http://location-valence-espagne.com/uploads/1/3/0/5/130543663/6068741.pdfIn PDF document text
    • http://ethergate.com/uploads/1/3/0/5/130551457/c1745794933.pdfIn PDF document text
    • http://medrounds.net/uploads/1/3/0/6/130604433/798423.pdfIn PDF document text
    • http://rarebreedmuzak.com/uploads/1/3/0/8/130815303/nipuzikefoxires_bexerovubabi_zibojabane_dofev.pdfIn PDF document text
    • http://rubyjoybook.com/uploads/1/3/0/3/130323462/9405043.pdfIn PDF document text
    • http://xtremefearclub.org/uploads/1/3/0/8/130814735/bozamak-janedu.pdfIn PDF document text
    • http://firstmelissa.net/uploads/1/3/0/5/130541137/domawurixefexi.pdfIn PDF document text
    • http://mx.explorewinthropharbor.com/uploads/1/3/0/5/130590355/fulukijesaf_lezazapuve_fejixadar_kegux.pdfIn PDF document text
    • http://armuor.com/uploads/1/3/0/6/130621570/jebaxiwej_vomilulaxoxewow_zunakoponix.pdfIn PDF document text
    • http://x0075085xstreamtravel.xsideas.com/uploads/1/3/0/7/130775436/130775436.html#icao+codes+aircraft+typeIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000063e6.bin
db35041bff7d6b5fe863488633249f83a0f0b7f9acd9d0b20be18f0618c6c01f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63E6 8016 bytes

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