Malicious PDF — malware analysis report

Static analysis result for SHA-256 593abef985b62531…

MALICIOUS

PDF

34.3 KB Created: 2020-04-18 08:01:30 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 93b5a7813c3d7243ef36fbea18fe1111 SHA-1: 815e3819c1fbb09ccc49e52b4928673161995cfa SHA-256: 593abef985b625311b71daa3e322caee8506027fc988326ed07bdb1eb17bc842
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links to various domains, indicative of a link farm or redirection scheme. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, suggesting the document's primary purpose is to drive traffic to these external URLs. The embedded URLs are likely part of a malicious redirection chain, aiming to lead the user to a compromised site or phishing 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://m-a-i.net/uploads/1/3/0/5/130589287/130589287.html#dc+motor+position+control+pdf
    • http://capperschallenge.com/uploads/1/3/0/2/130271139/ef0edc97c53deb.pdf
    • http://ski-shirt.com/uploads/1/3/1/4/131407370/8114249.pdf
    • http://bodiebuilthomes.com/uploads/1/3/0/5/130588830/julibinege.pdf
    • http://omnigood.com/uploads/1/3/0/8/130874416/jofemosel_soroganamarokuv_zijerodegavib.pdf
    • http://juliewalshtherapy.com/uploads/1/3/0/6/130639708/779441fd.pdf
    • http://stefanoseleftheriou.com/uploads/1/3/1/3/131379699/pewukaramak_logesido_vilonak.pdf
    • http://jgbrothers.com/uploads/1/3/0/7/130775306/nelufab-galuzew-togebunumimamo-mevamiranun.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_off0000601c.bin
ac5b3aa2d130803f51c57d5a29888b9eef740a774ac05148d45f9daedcccbb52		 pdf-font-stream PDF embedded font (sfnt) at offset 0x601C 7608 bytes

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