Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2edabea1f4b7ec2…

MALICIOUS

PDF

32.0 KB Created: 2020-06-10 07:46:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5d5cbf4cba437c9f006e0179815ebb19 SHA-1: ded73a82ff3423857bea366513b6c70d8dde343e SHA-256: e2edabea1f4b7ec2ea74876d11c56e9c2a3212fc241703a1c36f4fe0273e592a
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, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or distribution mechanism. The embedded URLs and the document body text, though partially obfuscated, reinforce the presence of these external links. The primary purpose appears to be directing users to a multitude of external resources, potentially for SEO manipulation or to serve as a distribution point for further malicious 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://mail.eyezone.com.sg/uploads/1/3/0/6/130639386/130639386.html#legs+on+show+linda+bareham
    • http://kristinagustafsson.com/uploads/1/3/0/6/130620302/wedan_sumitadud.pdf
    • http://webdisk.taskedapp.com/uploads/1/3/0/6/130621226/gisetebuvapixi.pdf
    • http://prairiegrovecattle.com/uploads/1/3/1/4/131453028/1aa4c.pdf
    • http://heavenonearthhealth.com/uploads/1/3/0/7/130739853/zewasevu.pdf
    • http://contextconsultants.co.uk/uploads/1/3/0/7/130775871/de9ae37.pdf
    • http://webmail.figlearningcentre.com/uploads/1/3/0/7/130776016/tesivelugonaw.pdf
    • http://crpressurewashing.net/uploads/1/3/0/2/130288447/dixez.pdf
    • http://saba4life.com/uploads/1/3/1/8/131871517/salupagex-midivifupalop-kuvoxevuzo.pdf
    • http://architectsmarketing.org/uploads/1/3/0/6/130620667/f2cb081a3.pdf
    • http://parents.sprigeo.com/uploads/1/3/1/3/131379824/9763717.pdf
    • http://parkerdancecompany.net/uploads/1/3/0/7/130739287/d85d856d83b31a9.pdf
    • http://routestoknowledge.com/uploads/1/3/1/0/131070792/pakesegukakan.pdf
    • https://koropezanuxe.files.wordpress.com/2020/06/4072534252.pdf
    • https://kerelurowaza.files.wordpress.com/2020/06/josenogefezakevek.pdf
    • https://muranutuba.files.wordpress.com/2020/06/24787534438.pdf
    • https://bisapabak.files.wordpress.com/2020/06/11216398662.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_off00005282.bin
b34c24577f9f3ec6fdb54eed957b5c6b5085aba8c6fa528e141da27e0bfa4cb6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5282 9960 bytes

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