Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0d115ec39d132a4…

MALICIOUS

PDF

47.3 KB Created: 2020-03-21 11:42:28 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 992908f1ee2e027cbca760012d327f2f SHA-1: e769a4b7248a4fd75fbd05e196c9549525788ff9 SHA-256: d0d115ec39d132a42b20ca9ceffe00b98b6653dbed1ea3f97c455f208e492c10
92 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which are dynamically generated and point to unrelated content, indicating a link farm or SEO spamming technique. The primary URL provided in the document body, 'http://newstylemarket.com/uploads/1/3/0/8/130874631/130874631.html#7.3+powerstroke+glow+plug+relay+test', is presented as a technical document but likely serves as a lure to a malicious site. No scripts were extracted from this sample.

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://newstylemarket.com/uploads/1/3/0/8/130874631/130874631.html#7.3+powerstroke+glow+plug+relay+test
    • http://www.romanianwinechannel.com/uploads/1/3/0/3/130313108/583342.pdf
    • http://thosefriggincomputers.com/uploads/1/3/0/8/130814001/vixiliw.pdf
    • http://barn23.com/uploads/1/3/0/7/130775062/xavetiwesa.pdf
    • http://caps-kawauchi.net/uploads/1/3/0/6/130640190/ecd07a45031dcb.pdf
    • http://mosnaturalhaircare.com/uploads/1/3/0/6/130604782/katagebam-vuniduxewom-woluvulatuna-zeraded.pdf
    • http://houserentalreviews.com/uploads/1/3/0/6/130621502/zolunabivug.pdf
    • http://accountingredflags.com/uploads/1/3/0/6/130604934/rabuwikirodexib_kanopodozig_gipudanufezeni_divit.pdf
    • http://m.kylesworkshop.com/uploads/1/3/1/1/131163563/zoroturesojora.pdf
    • http://celestialmassageandskincare.com/uploads/1/3/0/5/130543106/6110378.pdf
    • http://13allstonst.com/uploads/1/3/0/5/130588810/manifinawupiri.pdf
    • http://swarmstudios.com/uploads/1/3/0/7/130740624/4636567.pdf
    • http://www.thebunsandbites.com/uploads/1/3/0/5/130589318/kamudewas-tinafokamoroj-vesaj.pdf
    • http://aivets.eu/uploads/1/3/0/7/130775355/71adb490825865.pdf
    • http://bodymadefit.com/uploads/1/3/0/5/130551994/wuvawute.pdf
    • http://sensors360.com/uploads/1/3/0/5/130588672/590aa9e4c.pdf
    • http://northshorefirefund.org/uploads/1/3/0/8/130874139/7719478.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_off00008e4e.bin
b7596f27c92cfcc19693ed2b1a16c588435953082078f6e27545844399d89f74		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E4E 8644 bytes

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