Malicious PDF — malware analysis report

Static analysis result for SHA-256 7dfe807bfbf9391c…

MALICIOUS

PDF

37.0 KB Created: 2020-04-10 04:10:59 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: b2444ae9555bb9878731d78024bbe29c SHA-1: 25d2d6b4f1fda673287525cfdff65532492db4c1 SHA-256: 7dfe807bfbf9391c588e7a2c6816b30b91d68668db7bed7fe5bd23ba990cfbbe
92 Risk Score

Malware Insights

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

The PDF contains a significant number of external links, many pointing to other PDF files on different domains. This pattern is indicative of a link farm, often used for SEO manipulation or to distribute further malicious content. The ML classifier strongly supports the malicious nature of this PDF. The document body text is heavily obfuscated and contains embedded URLs, reinforcing the 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://dryeyestl.com/uploads/1/3/0/2/130270872/130270872.html#jules+verne+travel+money
    • http://runningwithscissors.website/uploads/1/3/0/6/130622084/razikafir_navoz_pozipujoni.pdf
    • http://fuzzylogicacademy.com/uploads/1/3/0/7/130776367/xexiv.pdf
    • http://adcourttennisonline.com/uploads/1/3/0/3/130313564/majijiv.pdf
    • http://fashionrewind.info/uploads/1/3/0/6/130639747/misoridatoluzova.pdf
    • http://modelfxfurniture.com/uploads/1/3/0/5/130547999/6b4cf5883228f1.pdf
    • http://whybesad.com/uploads/1/3/1/3/131379268/9235824507f13.pdf
    • http://nickdent.com/uploads/1/3/0/8/130873915/3381894.pdf
    • http://thepinkcoat.co/uploads/1/3/0/6/130639668/perogutokuguk_nofovoko_marirefagozosot.pdf
    • http://myblueskyreiki.com/uploads/1/3/0/9/130969725/7397528.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_off000065b0.bin
eeeb24f55f8142d0d2e0972c8354a5fc985e78ccd7b835e3745cbbd3aec73199		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65B0 8456 bytes

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