Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e7f5928a6e73381…

MALICIOUS

PDF

50.1 KB Created: 2020-03-29 06:28:38 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 58c381df76ef63cd0846e9841e3bd95c SHA-1: 461ad97bd506184fb960bdf5f5f27a72f45845f8 SHA-256: 1e7f5928a6e733814b7941e1dc432a0947a026dd6e635a77ddbcc9981947f1cd
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. These links point to various PDF files hosted on unrelated domains. The primary purpose appears to be to create a link farm, potentially for SEO manipulation or to distribute further malicious content through the linked PDFs. No scripts were extracted from this sample.

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://74-123-72-68.mgwnet.com/uploads/1/3/1/3/131384432/131384432.html#niveles+de+intervencion+del+trabajo+social+en+crisis
    • http://badasscoinrings.com/uploads/1/3/0/4/130488098/052d656c.pdf
    • http://saalaw.org/uploads/1/3/0/2/130272361/fokixi_sixomunaxatoma.pdf
    • http://www.shellynorris.shellysrockshop.com/uploads/1/3/0/2/130272282/6096489.pdf
    • http://bluestonewine.com/uploads/1/3/1/1/131164097/zolulusurupuririp.pdf
    • http://www.myenhancedbeautyy.net/uploads/1/3/0/6/130621058/mapunexovapepu.pdf
    • http://www.allenmayllc.com/uploads/1/3/0/7/130775435/nobele.pdf
    • http://www.portlandcarglassrepair.com/uploads/1/3/0/4/130488158/2690799.pdf
    • http://chaoyue.life/uploads/1/3/0/2/130270938/tevaledidigeta_gugidupukij.pdf
    • http://mingaretreatcenter.org/uploads/1/3/0/6/130640059/12b8f1d.pdf
    • http://mta-sts.alannaandaliciaegan.com/uploads/1/3/0/3/130323445/galegafodulu.pdf
    • http://hamptoninline.com/uploads/1/3/0/2/130289793/5679186.pdf
    • http://tammycakesindy.com/uploads/1/3/0/5/130543761/vokejuvesafer.pdf
    • http://natashacorriephotography.com/uploads/1/3/0/5/130550921/2052952.pdf
    • http://dysyu.com/uploads/1/3/0/5/130539085/894209.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_off000098fa.bin
8d612caf3f9a817afa63d986f2e844c6d2d10b47a5b76bbdf04f878e4f9ab9f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x98FA 8840 bytes

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