Malicious PDF — malware analysis report

Static analysis result for SHA-256 40d96b36d344e1fc…

MALICIOUS

PDF

37.2 KB Created: 2020-06-11 17:43:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c18fd84bf860f92f0a35db1b36a9ea50 SHA-1: db4909063fade0786ffaf3f9f9ea3dd36938eca8 SHA-256: 40d96b36d344e1fc89cc89efcdf735d04c0141f07fca9f76e1886c7e1eb9cea4
92 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to similarly structured URLs on different domains. This behavior is indicative of a link farm or SEO spam campaign, designed to distribute malicious content or drive traffic to potentially harmful sites. The document body text mentions "Glazier car price guide", which serves as a lure to entice users to click on the embedded links.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://platinumcleaningdba.com/uploads/1/3/0/5/130539427/130539427.html#glazier+car+price+guide
    • http://tritonenergyholdingsllc.com/uploads/1/3/0/9/130968984/jurovoruzibixazofe.pdf
    • http://myresourceclass.com/uploads/1/3/0/4/130476242/94bb89a0.pdf
    • http://staff.woodvilleschools.org/uploads/1/3/0/6/130639463/jusuxarezasol.pdf
    • http://lblanc.colimbo.es/uploads/1/3/1/0/131071188/dd01f7de918e.pdf
    • http://namyeska.com/uploads/1/3/0/7/130739369/94276.pdf
    • http://acot.online/uploads/1/3/0/5/130590241/tizojuretufabixotim.pdf
    • http://paxtonaviation.com/uploads/1/3/0/5/130588605/1403439.pdf
    • http://surfnrelax.com/uploads/1/3/0/9/130969709/6119a1f4.pdf
    • http://emilydelbridge.com/uploads/1/3/0/2/130291908/rawox.pdf
    • http://oakvillejazz.com/uploads/1/3/0/6/130620625/1a31d88c520a27f.pdf
    • http://sabinescottage.com/uploads/1/3/0/5/130539205/8dd1a256db5d.pdf
    • http://elizabethmurcko.com/uploads/1/3/1/4/131452872/nezidafeji.pdf
    • http://yachtclubofficial.com/uploads/1/3/1/4/131453857/fee6b53149c13e.pdf
    • http://sabinescottage.com/uploads/1/3/0/5/130539205/8dd1
    • https://jezowiv.files.wordpress.com/2020/06/66879892469.pdf
    • https://tixemog.files.wordpress.com/2020/06/70013415920.pdf
    • https://wivutotob.files.wordpress.com/2020/06/darurovexawadimep.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_off0000638f.bin
ff46113281cbce3af1214b3f3d7bc09ae2ff1bf88cc264ea193314b33712e553		 pdf-font-stream PDF embedded font (sfnt) at offset 0x638F 10512 bytes

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