Malicious PDF — malware analysis report

Static analysis result for SHA-256 b89885f45920dbdb…

MALICIOUS

PDF

39.8 KB Created: 2020-05-19 04:18:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1a7e0ca895d53b12f98a299a1f9e2af6 SHA-1: 81c1ccdd322d3a63c93a3d5829f345c96249d168 SHA-256: b89885f45920dbdb24244a27a1b78433b5f3eb631838a611bed63a14181bc900
102 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, a technique often used for SEO manipulation or to distribute malicious content. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests that the document may also be instructing users to open a password-protected archive, which is a common method to bypass security scanners. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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://baylandesign.net/uploads/1/3/0/9/130969657/130969657.html#cisco+sg200+default+password
    • http://fotoshermart.com/uploads/1/3/0/7/130775760/pozasisexifiwig-xipuvisovomiz-rodabawezoki.pdf
    • http://herfav.net/uploads/1/3/1/8/131857590/2053080.pdf
    • http://boatsrentalcapecoral.com/uploads/1/3/0/7/130740250/a60f0576.pdf
    • http://citydonutsaurora.com/uploads/1/3/0/4/130476423/92c958ae.pdf
    • http://msgrp.us/uploads/1/3/1/3/131379420/ladetuxamapidor.pdf
    • http://vileapparel.eu/uploads/1/3/1/1/131163643/9834828.pdf
    • http://valleyrage.com/uploads/1/3/0/8/130814193/xivimekolikujon-goguva-rigekejovajaz-wudakerowogin.pdf
    • http://thesweetlifedesignercookies.com/uploads/1/3/0/9/130969441/7897782.pdf
    • http://aleksandrajoy.com/uploads/1/3/0/4/130476074/8603575.pdf
    • http://clearwatermovingpros.com/uploads/1/3/0/2/130271184/jawininebibi_doxokobep_rokudejikupuvod_gawofev.pdf
    • http://plusoneeducation.com/uploads/1/3/0/6/130639533/bfb0498b9.pdf
    • http://pikesurfschool.com/uploads/1/3/1/3/131379029/6502099.pdf
    • http://loppnows.com/uploads/1/3/1/6/131606046/jafuxulerisidow-kisazesol-fubulakil-merexisono.pdf
    • http://pattenfinancialservices.com/uploads/1/3/1/8/131858045/f32ca.pdf
    • http://theoutdoorgarden.net/uploads/1/3/1/3/131382373/1713500.pdf
    • http://andreakrupka.com/uploads/1/3/1/4/131452816/95034.pdf
    • http://digitalmortgagemasters.com/uploads/1/3/0/2/130289577/9707288d1ebf4.pdf
    • http://maneeshkaripineni.com/uploads/1/3/0/6/130605217/dakopomonibugitop.pdf
    • http://russhutchison.com/uploads/1/3/1/3/131383604/6264815.pdf
    • http://atelieracme.com/uploads/1/3/0/2/130287992/34f00747f78a.pdf
    • http://bulutconstruction.fr/uploads/1/3/0/2/130289415/e5cd630e0b702.pdf
    • http://angelsdreamjewelry.com/uploads/1/3/0/3/130379081/f68da4029.pdf
    • http://djlastminute.net/uploads/1/3/0/7/130775911/9d3694dbc476c9.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_off00007074.bin
516f616f896bc2128e2fb9c446794b47c400fb50f29c5c7421f3c6954d923fda		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7074 10184 bytes

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