Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb1387f31d41d6d1…

MALICIOUS

PDF

37.6 KB Created: 2020-06-04 03:57:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 65849d06fba4ce4c48ebc1dd2d95a312 SHA-1: df63b13a3c42dbec1196fb69adf86744ddfb405f SHA-256: eb1387f31d41d6d1ec029c6103809524554e2430af0f2633cce033b2fe16f838
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The document body also contains embedded URLs, including 'http://mail.speakingpiecesboutique.com/uploads/1/3/0/2/130287960/130287960.html#libros+de+java'. This suggests the primary purpose is to redirect users to a network of linked content, potentially for SEO spam or to distribute further malicious payloads.

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://mail.speakingpiecesboutique.com/uploads/1/3/0/2/130287960/130287960.html#libros+de+java
    • http://ahsan.dadgifts.us/uploads/1/3/1/3/131380273/vasof-dakosufusi.pdf
    • http://mudlark.co.uk/uploads/1/3/0/3/130323765/mebololuzadovuk.pdf
    • http://charlotteanneedwards.co.uk/uploads/1/3/0/7/130776564/nijozunemulilotasebe.pdf
    • http://myluriyubodyscrubs.com/uploads/1/3/0/6/130621124/9291484.pdf
    • http://greenmtngeezers.org/uploads/1/3/1/3/131379608/194642.pdf
    • http://nuohotels.com/uploads/1/3/1/3/131383251/vixigoxe.pdf
    • http://carlolewis.com/uploads/1/3/0/5/130589031/bibanubavewoko.pdf
    • http://mandurahmustangs.com.au/uploads/1/3/1/8/131857284/d8d172b33a.pdf
    • http://theharvey.net/uploads/1/3/0/6/130639766/gabebagup.pdf
    • http://theartofphotography.ca/uploads/1/3/0/4/130483191/liponeb_miwunuk_bakapigixevoluw_ledadopedi.pdf
    • http://jeremyscottismyagent.com/uploads/1/3/1/4/131437780/pupodabukozarovofe.pdf
    • http://mail.speakingpiecesboutique.com/uploads/1/3/0/2/130287960/terms.html
    • http://mail.speakingpiecesboutique.com/uploads/1/3/0/2/130287960/dmca.html
    • http://mail.speakingpiecesboutique.com/uploads/1/3/0/2/130287960/policy.html
    • https://finaxowadiva.files.wordpress.com/2020/06/jabimotakogizujajamano.pdf
    • https://pofulekat.files.wordpress.com/2020/06/livixujafolujabaxo.pdf
    • https://dojujakukaj.files.wordpress.com/2020/06/14163341983.pdf
    • https://wesobitid.files.wordpress.com/2020/06/40585865148.pdf
    • https://rutogusufem.files.wordpress.com/2020/06/zavadinukorat.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_off00006522.bin
5251a44d69a57ccbb07e69eb3f022047ae15231167e4aacb1f709090f91766f2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6522 11180 bytes

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