Malicious PDF — malware analysis report

Static analysis result for SHA-256 94a03d97cda61166…

MALICIOUS

PDF

47.9 KB Created: 2020-03-26 14:32:12 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 515061656d943af5609d4a2a8268f556 SHA-1: 75b111b5577b2c8b399d9f577961f510de9c5040 SHA-256: 94a03d97cda61166ef981ac870bcf0a885c664e4e2a3f51a0e9aeacfa06d0f40
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or SEO spam campaign. The document body itself is largely unreadable, but the presence of numerous external URLs indicates a likely attempt to direct users to potentially malicious or unwanted content. No scripts were extracted from this sample.

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.
  • 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://cecilyeiferle.com/uploads/1/3/0/5/130589410/130589410.html#nomenclatura+quimica+tradicional+y+stock
    • http://hostmaster.wembdon-sunshiners.co.uk/uploads/1/3/0/6/130620843/6223853.pdf
    • http://4lifehealthwealth.com/uploads/1/3/0/2/130291822/xixusisokog_duvowizugigimug_bupodu_bezaxodekeb.pdf
    • http://mta-sts.mx.pineledgefarm.com/uploads/1/3/0/2/130270945/nusefijudit.pdf
    • http://www.21pilates.co.uk/uploads/1/3/0/6/130604944/353cf282c79.pdf
    • http://titleabstractors.net/uploads/1/3/0/3/130379824/lerajabem.pdf
    • http://mycommentsandthoughts.com/uploads/1/3/0/8/130814871/dazepiw-wovemora-wapafugop.pdf
    • http://navylearn.com/uploads/1/3/0/4/130489131/panudoro.pdf
    • http://nataliashand.com/uploads/1/3/0/6/130640021/ccaab25.pdf
    • http://blendnutritionco.com/uploads/1/3/0/7/130774999/6434268.pdf
    • http://r-i-c.net/uploads/1/3/0/7/130739907/vulume.pdf
    • http://misskatskinks.com/uploads/1/3/0/4/130483862/judugoz-dugevibuzen-wurigifoxax-vopefuda.pdf
    • http://edgeenergyservicesinc.com/uploads/1/3/0/5/130589374/11263732c35e1.pdf
    • http://www.healthymomninjawarrior.com/uploads/1/3/0/7/130739070/tizim.pdf
    • http://micasitarentals.com/uploads/1/3/0/3/130379135/4395497.pdf
    • http://thecartoonboon.com/uploads/1/3/0/7/130775624/ribixowedaxif-bipuxasoveretiz.pdf
    • http://presidentialroofingwy.com/uploads/1/3/0/7/130738676/kipilukirepode_zejawopa_rawage.pdf
    • http://converticopter.com/uploads/1/3/0/8/130874467/ba41df59f98bab3.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_off00008efa.bin
af36d6e52e90abd0f16f910034ac5b86dc13c0cf77225317512c94722fa6a361		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8EFA 9388 bytes

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