Malicious PDF — malware analysis report

Static analysis result for SHA-256 be36b41bd9841743…

MALICIOUS

PDF

48.9 KB Created: 2020-03-12 03:23:15 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 344e3676042a503c34b6409484926bc3 SHA-1: a17ecfca728ab6759e9686889cad8a5814bdfe21 SHA-256: be36b41bd98417438646a55d9bb5643cdf93c81beab1e5eb35e9f81b5d0edfe6
102 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious Link

The PDF document contains a large number of external links, indicating a link farm strategy. The heuristic 'SE_LOLBIN_RUN_COMMAND' suggests that the document may contain instructions for executing commands using Windows scripting tools. The presence of these elements points towards an attempt to redirect users to potentially malicious sites or to execute further payloads.

Heuristics 4

  • 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.
  • Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND
    Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://autodiscover.coprimag.com/uploads/1/3/0/8/130874261/130874261.html#enterobacter+cloacae+complex+motility
    • http://www.paediatricmdspatientgroup.co.uk/uploads/1/3/0/3/130379117/121bf125fdbddc.pdf
    • http://www.gillydonovan.com/uploads/1/3/0/2/130291453/jezezop.pdf
    • http://www.ceciliaserafini.it/uploads/1/3/0/7/130775084/5420147.pdf
    • http://lightcodesmusic.com/uploads/1/3/0/6/130620520/62496.pdf
    • http://timetotalkart.com/uploads/1/3/0/3/130379445/9108786.pdf
    • http://square-centre.com/uploads/1/3/0/6/130605001/1d597045.pdf
    • http://deskhelper.net/uploads/1/3/0/7/130775249/d0ec96a1.pdf
    • http://www.handtoons.com/uploads/1/3/0/3/130379379/puwijofituvavibux.pdf
    • http://theleadershipring.com/uploads/1/3/1/0/131070576/4556339.pdf
    • http://ukiahrvpark.com/uploads/1/3/0/6/130622075/f40b4e99a31dc8.pdf
    • http://home-sweety-home.com/uploads/1/3/0/7/130775629/rademepukewabi.pdf
    • http://xxxchampion.com/uploads/1/3/0/4/130489143/rukuwebaru.pdf
    • http://www.hitandmisshomesteader.com/uploads/1/3/0/7/130740192/ferepuzibikasuz.pdf
    • http://mspistone.com/uploads/1/3/0/7/130740072/8ddfabbe38.pdf
    • http://mybabyfreebies.com/uploads/1/3/0/4/130489898/0695993ac7.pdf
    • http://commonsenseconnections.org/uploads/1/3/0/7/130775778/xogikize.pdf
    • http://yanayogis.com/uploads/1/3/0/4/130476309/wagepagozogojiki.pdf
    • http://saraleestudiogallery.com/uploads/1/3/0/5/130543665/53f719.pdf
    • http://barnardsinkibler.com/uploads/1/3/0/6/130620560/takaboravif.pdf
    • http://gmqkazp.sites.looka.com/uploads/1/3/0/6/130639678/sunimeja-nemenope-wexozi-xuxojusesabuki.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000949b.bin
76e3949f81362e6cb37dc1fe500ded2ab9ec416b9b163d564caf615d013adba2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x949B 8820 bytes

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