Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e80acfe2d3e12fa…

MALICIOUS

PDF

41.9 KB Created: 2020-04-24 08:06:20 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5dc7db2e5d8cec2778a40d77c143f343 SHA-1: 065a03b4afc3704ca201cee7f87c6e56ef9f42fa SHA-256: 3e80acfe2d3e12facb63e2b06954fbaefa8ef7bd37347d9bfc57c8052b98e059
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains a large number of external links, many of which point to other PDF files hosted on similar domains. The document body text, though heavily obfuscated, contains a reference to updating Android software, suggesting a social engineering lure. The primary malicious URL identified is http://yourworkplacereimagined.com/uploads/1/3/1/3/131398542/131398542.html#atualizar+software+android+pelo+pc, which likely leads to a phishing or malware download page.

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://yourworkplacereimagined.com/uploads/1/3/1/3/131398542/131398542.html#atualizar+software+android+pelo+pc
    • http://dimondecor.net/uploads/1/3/1/3/131381302/zapujeda.pdf
    • http://supportus.space/uploads/1/3/1/4/131438843/wipezajojav.pdf
    • http://healerforhire.com/uploads/1/3/0/7/130738861/semixadoleba_wezunob.pdf
    • http://roadhouse74barandgrill.com/uploads/1/3/0/4/130476816/e4cb685232f2.pdf
    • http://implodingnavel.com/uploads/1/3/0/7/130776693/eac625eb052fc.pdf
    • http://eyecenterofcolumbus.com/uploads/1/3/0/8/130874526/1689282.pdf
    • http://jacobdhartman.com/uploads/1/3/0/4/130476917/28a280.pdf
    • http://mrtilingstoneptyltd.com/uploads/1/3/1/4/131437689/9924658.pdf
    • http://unearthingopal.blog/uploads/1/3/0/2/130289233/wunif-munulukiziw-kafuvipeji.pdf
    • http://amcraftdesigns.com/uploads/1/3/0/6/130605396/xebituruxejup.pdf
    • http://meetchristinetaylor.com/uploads/1/3/0/6/130639565/115a97f25bb.pdf
    • http://mrtilingstoneptyltd.com/uploads/1/3/
    • 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_off00007758.bin
a312238c8d95aff3e83e0868e5fe0917913364b221545b77abd9fb14ccd959dd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7758 10348 bytes

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