Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa64f19b43f2cb02…

MALICIOUS

PDF

40.1 KB Created: 2020-04-16 12:55:56 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 560d16feda29d0c3aa667fc576329360 SHA-1: ea91b748a7a3df2411c2b0a552cef60d682bf7d5 SHA-256: aa64f19b43f2cb0211c19709e0c819908af5e67f79268d9cf5236e1cb89b0dcf
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass external PDF link farm, with 28 links found, predominantly hosted on 'barrydavislmft.com'. One of the external URIs points to 'komercallc.com'. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

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://komercallc.com/uploads/1/3/0/5/130542964/130542964.html#blenheim+high+school+new+uniform
    • http://barrydavislmft.com/uploads/1/3/0/7/130775633/e66ae99.pdf
    • http://agroliber.net/uploads/1/3/0/5/130539229/4374812.pdf
    • http://peopleonthemove.be/uploads/1/3/0/2/130287934/fegafib.pdf
    • http://drswanod.com/uploads/1/3/0/4/130478205/wokujuvo.pdf
    • http://theglutenfreegrainfreegrammy.com/uploads/1/3/0/7/130738919/3852200.pdf
    • http://jdfurniturerepair.com/uploads/1/3/1/3/131379730/balajowav.pdf
    • http://valuemyequity.com/uploads/1/3/1/4/131438177/dogefuvogegusis.pdf
    • http://conjecturebooks.net/uploads/1/3/1/4/131437775/zikologo.pdf
    • http://seamelive.com/uploads/1/3/1/0/131070313/e301c7c5c99.pdf
    • http://youremakingthatup.com/uploads/1/3/1/0/131070113/buxidusu_reseta_goralojolalewek_zudenu.pdf
    • http://carmendaughertyphotography.com/uploads/1/3/1/4/131406354/1210650.pdf
    • http://moretonislandfishingcharters.com/uploads/1/3/0/5/130551125/8574b41f.pdf
    • http://doggiedeluxe.com/uploads/1/3/1/4/131482808/jogokepilapegugemazu.pdf
    • http://layersseries.com/uploads/1/3/1/4/131407194/8859448.pdf
    • http://valuemyequity.com/uploads/1/3/1/4/131438177/dogefuvogegus
    • 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_off000073cc.bin
61565961ff0e20364711513c74c9dd182bb4c68193cda16fe11fb37cf5221cb8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73CC 8336 bytes

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