Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6ebbd6d1dd9c755…

MALICIOUS

PDF

49.1 KB Created: 2020-04-03 04:58:19 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 85ddd68cc37c4c701d672b0974ca7609 SHA-1: 05c2aa7513969e6d724a15122fb6ee910c52125e SHA-256: f6ebbd6d1dd9c7551be4abfe52f7fb52eeba2edfe90653cf5b0ccdee629d4e00
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, a technique often used for SEO manipulation or to distribute malicious content. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, with 'conceptualgamingsolutions.com' being a dominant host. The presence of numerous URLs suggests a coordinated effort to redirect users to potentially harmful sites or documents. No scripts were extracted, limiting the analysis of direct payload execution.

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://woimwoodlogistics.com/uploads/1/3/1/4/131408252/131408252.html#ejemplo+de+monta%C3%B1a+meseta+valle+llanura+costera
    • http://conceptualgamingsolutions.com/uploads/1/3/0/5/130589036/pesifepad.pdf
    • http://termitescincinnati.com/uploads/1/3/0/2/130274269/bamonupekugibij-supore-vaxisase.pdf
    • http://bestpetcbdoils.com/uploads/1/3/1/0/131070718/masabo-moxelibago-rasunerowi.pdf
    • http://communitygreenkeepers.com/uploads/1/3/0/8/130813837/puwisu-somalinibup.pdf
    • http://studiounsoinpoursoi.ca/uploads/1/3/0/4/130488964/6969943.pdf
    • http://gulliverfieldstudiesprogram.org/uploads/1/3/0/7/130775138/gegevitisanajiwepa.pdf
    • http://httpsadmin2infomaniakcomloginphp.com/uploads/1/3/0/5/130539311/3396760.pdf
    • http://audiologymanager.com/uploads/1/3/0/6/130621791/7ceee.pdf
    • http://collegefundsnow.com/uploads/1/3/0/4/130483509/gosajatebirip.pdf
    • http://drchavezcadena.com/uploads/1/3/0/6/130603683/60ba12cc6d5d846.pdf
    • http://keepcalmcoaching.com/uploads/1/3/0/6/130621765/xufel-zanemukobopux-xajoti.pdf
    • http://learninginquirer.info/uploads/1/3/0/2/130272440/7317592.pdf
    • http://tc-medicalclinic.ca/uploads/1/3/0/7/130739196/2143790.pdf
    • http://pureeleganceconsulting.com/uploads/1/3/0/8/130874261/pulerezumupo_bilugaribeves.pdf
    • http://stelizabethscoopnurseryschool.com/uploads/1/3/0/4/130483200/minin.pdf
    • http://martynmatthews.com/uploads/1/3/1/4/131407588/gisaj.pdf
    • http://hennypapillonpuppies.com/uploads/1/3/0/8/130874021/17ca975585ecf0.pdf
    • http://interdisciplinary-discussion.com/uploads/1/3/0/9/130969002/8f9da1f6f9761ba.pdf
    • http://thepythian-nola.com/uploads/1/3/0/9/130969360/poferurarisi-jojesoxuxuxufo-sebuxitabut.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007398.bin
7fc5795d61a43fc9fd39c4ae4289cbee9d227e8df0d7e1b12f5a00662f32af20
pdf-font-stream PDF embedded font (sfnt) at offset 0x7398 9272 bytes
font_01_sfnt_off00009534.bin
e91619dfd4c72a85464d95ef1ba4e67df13020651c42071bafbe521a61d9f7fc
pdf-font-stream PDF embedded font (sfnt) at offset 0x9534 2652 bytes
font_02_sfnt_off00009e9b.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63
pdf-font-stream PDF embedded font (sfnt) at offset 0x9E9B 16036 bytes