Malicious PDF — malware analysis report

Static analysis result for SHA-256 9008b57f163db4af…

MALICIOUS

PDF

45.8 KB Created: 2020-03-17 23:50:35 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: a49206bd8b92efd665747917c20e34f8 SHA-1: 9055d6bd0696cae56e150319cd0d1ead08025af1 SHA-256: 9008b57f163db4af245f4f2846af0e393e03d178ec334daeb2186730d8694eda
92 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The primary URL found in the document body is http://wwwdaimondholiday.com/uploads/1/3/0/4/130436410/130436410.html#test+de+bender+en+ni%C3%B1os. This suggests a link farm or SEO manipulation tactic, potentially leading users to malicious content or phishing sites. 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://wwwdaimondholiday.com/uploads/1/3/0/4/130436410/130436410.html#test+de+bender+en+ni%C3%B1os
    • http://www.massageperfections.com/uploads/1/3/0/7/130740133/ledidalapa.pdf
    • http://environenergies.com/uploads/1/3/0/7/130776262/rizaleb.pdf
    • http://looe-festival-of-the-sea.com/uploads/1/3/0/6/130622095/5b143e16.pdf
    • http://witsetfuel.com/uploads/1/3/0/4/130436171/javixupiw.pdf
    • http://propertydonedifferently.com/uploads/1/3/0/2/130270980/2376994.pdf
    • http://www.sellahouseorapartments.com/uploads/1/3/0/5/130538990/adc20e.pdf
    • http://sonomacountypickleball.com/uploads/1/3/0/6/130604823/kubex.pdf
    • http://goldenglobaltours.com/uploads/1/3/0/2/130272524/vufif-xibanejor.pdf
    • http://sitesavings.shop/uploads/1/3/0/7/130739519/2166066.pdf
    • http://miracleinabucket.com/uploads/1/3/0/7/130739509/dodipefiselupudi.pdf
    • http://gcxinc.com/uploads/1/3/0/9/130968985/muwibagolegenoj-lugatega-losuto-muzoxamimoga.pdf
    • http://ltlhotshotforum.net/uploads/1/3/0/5/130539329/mujunetasomaj.pdf
    • http://spoletogreenfun.org/uploads/1/3/0/3/130379581/zakinevuvakojizoli.pdf
    • http://gareaureports.com/uploads/1/3/0/5/130538981/2862604.pdf
    • http://wedorecyclinginsurance.com/uploads/1/3/0/6/130639676/legenuwegubik_vinikapuwepifed_fudodedo.pdf
    • http://mathemonads.com/uploads/1/3/0/6/130620795/fipoke.pdf
    • http://bigbuckprints.com/uploads/1/3/0/2/130271072/5ad428ed6bc.pdf
    • http://www.gaillink.co.uk/uploads/1/3/0/2/130287536/fanigozovu-mifazikawufow.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_off00008a2f.bin
5cc893afaf1105c632b299deefd1b76000091210ab08b9fdca794c8528ff8b70		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8A2F 8204 bytes

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