Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0b5449ba81a3c69…

MALICIOUS

PDF

46.1 KB Created: 2020-04-03 06:50:50 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7c60ac3bb7b2bfd605984e5f65f34251 SHA-1: 46f28c583e69e9e06dd50bbed714bd714377904f SHA-256: c0b5449ba81a3c693aaa2e8a09e0785f7730eba07e562b45be27fc0f9a14b6ad
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body text mentions 'Fhsaa swimming states 2018 results', which appears to be a lure to encourage clicks on the embedded URLs. The primary intent seems to be directing users to a network of websites, likely for SEO manipulation or to serve 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://lnphotography.org/uploads/1/3/0/4/130483499/130483499.html#fhsaa+swimming+states+2018+results
    • http://irayte.com/uploads/1/3/1/4/131437474/1dc79bdafe299d.pdf
    • http://www.new.camarillochamber.org/uploads/1/3/0/8/130814591/2211084.pdf
    • http://mattcaputo.com/uploads/1/3/0/2/130287815/sefap.pdf
    • http://247housebuyer.com/uploads/1/3/1/1/131164012/4474252.pdf
    • http://faroutrocketry.space/uploads/1/3/0/3/130379681/5221164.pdf
    • http://marciamoultonmediator.com/uploads/1/3/0/6/130620807/pajusukalirek-kebabolekadopi.pdf
    • http://cotic.com.hr/uploads/1/3/0/7/130776562/f9f0d3e0c9.pdf
    • http://positivespotmarketing.com/uploads/1/3/0/6/130605315/abee761a49d4c13.pdf
    • http://spiralup127.net/uploads/1/3/0/4/130436162/3af36dde5fada.pdf
    • http://juliefilderman.com/uploads/1/3/0/7/130775126/409cd1cd0.pdf
    • http://jacquescamp.com/uploads/1/3/0/4/130488885/pijuzewodumul-nivam-pudulomagen.pdf
    • http://converticopter.com/uploads/1/3/1/3/131382430/worawapaxawinon.pdf
    • http://charlesheinerfiction.com/uploads/1/3/0/2/130289540/39b091b6.pdf
    • http://jattlife.us/uploads/1/3/0/9/130969247/rewomopusum_sogez.pdf
    • http://tscmerch.shop/uploads/1/3/0/6/130605072/mojavavapul.pdf
    • http://url-verification-meetic.fr/uploads/1/3/0/2/130273872/413702.pdf
    • http://livingofficially.com/uploads/1/3/0/4/130435784/2318856.pdf
    • http://mail.jlorennorris.com/uploads/1/3/0/4/130435601/gisil.pdf
    • http://alsinc.net/uploads/1/3/0/7/130775259/7bdf4d8b.pdf
    • http://books.hanshi.com/uploads/1/3/1/4/131436967/2952983.pdf
    • http://guardianenterprisesok.com/uploads/1/3/1/3/131382320/3902252.pdf
    • http://purelespas.com/uploads/1/3/0/2/130289630/perojabu.pdf
    • http://h0ck.net/uploads/1/3/0/7/130776485/9467003.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000073fe.bin
1ee44b43b49b21fc1ca136133b42d0012cc93fcf9512752d73ce7fde7011e39a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73FE 8160 bytes
font_01_sfnt_off000093af.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x93AF 16036 bytes

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