Malicious PDF — malware analysis report

Static analysis result for SHA-256 4fd20dc8d5f312ce…

MALICIOUS

PDF

50.1 KB Created: 2020-06-08 06:42:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 70ace3100606f5626b685662ec0b0dce SHA-1: 7457332be137849251734f6a1a1d3b1d834c19c7 SHA-256: 4fd20dc8d5f312ce50dd894fc711b257d790158e1444a0d213bd59de9af21b60
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 SEO manipulation tactic. The primary URL found in the document body also points to an external HTML resource. No scripts were extracted from this sample.

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://wpstage.facto.pro/uploads/1/3/0/5/130588389/130588389.html#%25D1%2587%25D0%25B8%25D1%2582%25D1%258B+%25D0%25BD%25D0%25B0+%25D0%25B0%25D0%25BD%25D0%25B4%25D0%25B5%25D1%2580%25D1%2582%25D0%25B5%25D0%25B9%25D0%25BB+%25D0%25B1%25D0%25B5%25D1%2581%25D0%25BA%25D0%25BE%25D0%25BD%25D0%25B5%25D1%2587%25D0%25BD%25D1%258B%25D0%25B5+%25D0%25B6%25D0%25B8%25D0%25B7%25D0%25BD%25D0%25B8
    • http://rgb-mods.com/uploads/1/3/1/4/131406802/5105994.pdf
    • http://es.javierbatanero.com/uploads/1/3/0/9/130969281/jolam.pdf
    • http://powerfulshe.com/uploads/1/3/0/2/130287930/682aaaf4555295.pdf
    • http://cbarrett13.com/uploads/1/3/0/7/130739150/2c82e478b.pdf
    • http://hostmaster.gamefishingangola.com/uploads/1/3/1/4/131437956/zemapurofux_tugofuki.pdf
    • http://gravelroadconcerts.com/uploads/1/3/1/6/131637728/gibufila.pdf
    • http://seedmny.com/uploads/1/3/0/4/130488229/kikuzogonoru.pdf
    • http://hostmaster.2seamills.co.uk/uploads/1/3/1/3/131381886/4046068.pdf
    • https://zowolov.files.wordpress.com/2020/06/79946133930.pdf
    • https://nogejakupug847299694.files.wordpress.com/2020/06/13643100002.pdf
    • https://piviraxiwak.files.wordpress.com/2020/06/limazufenugujixetonis.pdf
    • https://sajovuvinar.files.wordpress.com/2020/06/rezixoxogowetisofi.pdf
    • https://lolakukiz.files.wordpress.com/2020/06/72753968561.pdf
    • https://miteduxom.files.wordpress.com/2020/06/96538193861.pdf
    • https://zijumaxiwigu.files.wordpress.com/2020/06/8154510396.pdf
    • https://paxaweki176183565.files.wordpress.com/2020/06/21664145444.pdf
    • https://lesifax.files.wordpress.com/2020/06/bijularudesonax.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_off00008911.bin
bfb967f2d0d627b31d600ba84f795a2a377f041abd021503436acd3f18e59d0b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8911 15700 bytes

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