Malicious PDF — malware analysis report

Static analysis result for SHA-256 e78161a10899d462…

MALICIOUS

PDF

45.2 KB Created: 2020-03-31 02:33:19 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7bf3e4cc86b702e7f7076258271affad SHA-1: f0f41959eff806c081bd6d2d8c0297dc64b45d39 SHA-256: e78161a10899d4629540fc0007cd44cbd610120ef530c9927b3086166ac02500
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links pointing to various domains, a technique often used for SEO manipulation or to distribute further malicious content. The document body itself is heavily obfuscated but contains references to some of these URLs. No scripts were extracted from this sample. The primary attack pattern observed is the creation of a link farm designed to direct traffic to potentially malicious or compromised websites.

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://marconettzoo.com/uploads/1/3/0/4/130488590/130488590.html#grohe+kitchen+faucets+spray+head
    • http://trayjohnson.com/uploads/1/3/0/6/130622080/bunevapu-pomesekeruwaj.pdf
    • http://nancymaldonado.com/uploads/1/3/0/2/130287413/4588e2.pdf
    • http://tristarwestregion.com/uploads/1/3/0/9/130969722/xojedobosad.pdf
    • http://killermac.com/uploads/1/3/0/4/130476784/997dff444486d93.pdf
    • http://mymassagedude.com/uploads/1/3/0/8/130874358/8841756.pdf
    • http://pearsonwest.com/uploads/1/3/0/4/130435670/wofumejejodu-jasazu-bipujozonas-napotekivezed.pdf
    • http://seanrenovates.com/uploads/1/3/0/5/130540897/fenizawivaxap.pdf
    • http://beautyefx.com/uploads/1/3/0/7/130738526/dabupigefivined.pdf
    • http://gasconheating.com/uploads/1/3/0/6/130621135/murotalapif-xavajibaz-dafuzipopoji-kezukepuxereti.pdf
    • http://roomenoughtoshare.com/uploads/1/3/0/4/130478374/mamobow_retawe_jumugalese_rizaloxapi.pdf
    • http://goodses.space/uploads/1/3/0/8/130874564/vokegaviket_kaxawimes_gegijixubo.pdf
    • http://saveandgo.net/uploads/1/3/0/3/130323109/5c0683b24c82e3c.pdf
    • http://davisgreenenterprises.com/uploads/1/3/0/5/130544138/vowumuvakonuk_zebaka_vakomonojemufo_wedaxode.pdf
    • http://thepostellexperience.com/uploads/1/3/0/2/130274345/9406554.pdf
    • http://thevintnerstavern.net/uploads/1/3/0/4/130489539/7615391.pdf
    • http://comunitaitalianagozo.com/uploads/1/3/0/6/130605289/bibide_kivonobu_rofabu_kowadajinalaje.pdf
    • http://breckroadbaptistchurch.com/uploads/1/3/0/9/130969588/07fc057.pdf
    • http://alyecollection.com/uploads/1/3/0/5/130590588/vaxajofid.pdf
    • http://friendsofsclm.com/uploads/1/3/0/4/130476074/d767542de43.pdf
    • http://expander-ie.com/uploads/1/3/0/5/130551310/petudotanulup.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_off00008635.bin
66d046287fe4679926711ec2340601445cb662502fbc0cf369ebb6d794ae21e5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8635 8736 bytes

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