Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ed3fe57739f4b9a…

MALICIOUS

PDF

37.7 KB Created: 2020-04-28 22:23:22 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 0367b2a08d2e091b374a49481a1b7f56 SHA-1: 6314a9a90a348dc1100dc2cd2684381b710ef467 SHA-256: 9ed3fe57739f4b9adccd321f409ae60aefd15ad6f09a1fb5dbdd57c85a6ceff0
92 Risk Score

Malware Insights

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

The PDF document contains a deceptive title and body text related to Excel, designed to trick users into clicking embedded links. It features a large number of external links, many pointing to PDF files hosted on various domains, indicating a link farm or redirection strategy. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.

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://tenminuteinspection.com/uploads/1/3/1/4/131452977/131452977.html#how+to+insert+worksheet+in+excel
    • http://closerleaders.com/uploads/1/3/0/6/130621941/zimizowojebepe.pdf
    • http://silkroadsourcing.co/uploads/1/3/1/6/131637873/wabarugenovolifelux.pdf
    • http://davidbronfman.com/uploads/1/3/1/4/131453121/sekoremizipurijup.pdf
    • http://scholarship-hacker.com/uploads/1/3/1/3/131398348/sekutopudowewewev.pdf
    • http://deweydaycamp.com/uploads/1/3/0/3/130323724/269dc2947188043.pdf
    • http://jahmokasinsurance.com/uploads/1/3/0/5/130590654/vuwujokajud.pdf
    • http://mindkeyacademy.com/uploads/1/3/0/5/130543052/titonidasinaje_wukizab_digosose_resal.pdf
    • http://49coles.com/uploads/1/3/0/4/130488544/3211594.pdf
    • http://premierbwmassage.com/uploads/1/3/1/4/131438685/1400313.pdf
    • http://sara-purcell-technical-coach.com/uploads/1/3/1/3/131398250/5920468.pdf
    • http://yourgalpals.com/uploads/1/3/0/2/130289719/437545a.pdf
    • http://dakotagalley.com/uploads/1/3/1/4/131437693/2ea15ce3e71.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_off00006c51.bin
ff981697e65a5e88b0f80878b3599dbcdff9f7307b7ff3b4f70c4eacad0fca81		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C51 7780 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.