Malicious PDF — malware analysis report

Static analysis result for SHA-256 534e7828ca086c58…

MALICIOUS

PDF

50.1 KB Created: 2020-06-03 15:25:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 769b813a253150dff542ed5bd5eeb118 SHA-1: 1b63acc17537fb9139f0716975d28259c23656ab SHA-256: 534e7828ca086c580573a9a63288f2c2dbafb32989ab5661efdb6497522ede93
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or redirection scheme. The document body contains fragmented text related to hardware and software, which may be part of a lure. The primary intent appears to be directing users to these external sites, which are likely used for malicious purposes such as hosting further payloads or phishing content.

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://panddcurrency.com/uploads/1/3/0/7/130776241/130776241.html#amd+athlon+64+x2+4000
    • http://arepapa.com/uploads/1/3/0/6/130604710/18941a.pdf
    • http://andrewslawncare.org/uploads/1/3/0/6/130639911/5413316.pdf
    • http://findkeepsell.com/uploads/1/3/0/4/130476471/xofoposasozugip-nurujawuzo-suwigurupo.pdf
    • http://bethadice.com/uploads/1/3/0/6/130604537/ralul.pdf
    • http://duluthvisit.com/uploads/1/3/0/7/130776015/zugovojed.pdf
    • http://mta-sts.aohbucks5.com/uploads/1/3/0/2/130288383/8ebb9f0.pdf
    • http://carlocastoro.com/uploads/1/3/1/4/131406879/piropadesutudexoko.pdf
    • http://sixtarubio.com/uploads/1/3/0/9/130969355/1120559.pdf
    • http://jenniferquiltyrmtcdt.com/uploads/1/3/1/4/131454093/bc6535213ae3.pdf
    • http://panddcurrency.com/uploads/1/3/0/7/130776241/terms.html
    • http://panddcurrency.com/uploads/1/3/0/7/130776241/dmca.html
    • http://panddcurrency.com/uploads/1/3/0/7/130776241/policy.html
    • https://ganotunuzok.files.wordpress.com/2020/05/biwefa.pdf
    • https://zojibulo.files.wordpress.com/2020/05/dugesorupobinekuk.pdf
    • https://nigadimuzifo.files.wordpress.com/2020/05/91466362875.pdf
    • https://zimorujiwek.files.wordpress.com/2020/05/xisiviwewo.pdf
    • https://zisiwemebix.files.wordpress.com/2020/05/76714535924.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/
    • https://zimorujiwek.files.wordpress.com/2020/05/xi

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008c7e.bin
42842f1d6371f4604b1e452f608ffe5378fffd0cfabd03f68dbd8f2a0134cd5c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8C7E 15140 bytes

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