Malicious PDF — malware analysis report

Static analysis result for SHA-256 37f735b8e557e62b…

MALICIOUS

PDF

110.9 KB Created: 2020-06-05 01:10:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ba782a960bbb8f5477ee4177230839ff SHA-1: 6fdb954ebc6023da36857766bf38c8e670feab53 SHA-256: 37f735b8e557e62b342bec2d6ee6183e810ff7937714d3088606cfee39ae3527
92 Risk Score

Malware Insights

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

The PDF document contains a significant number of external links, many of which point to similarly structured URLs on different domains. This pattern is indicative of a link farm or SEO scam designed to drive traffic to potentially malicious content. The document body, though heavily obfuscated, contains a URL that aligns with the detected link farm behavior.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://74-123-76-111.mgwnet.com/uploads/1/3/0/6/130620705/130620705.html#limpieza+hepatica+y+de+la+vesicula+pdf
    • http://classyglow.com/uploads/1/3/1/3/131383854/8be1eb.pdf
    • http://myrawoodruff.com/uploads/1/3/0/5/130545800/dewowitu_putenutolovote_mowuxeke.pdf
    • http://eyelashessavannah.com/uploads/1/3/1/3/131398117/kivimotazoridowa.pdf
    • http://patrickmeursault.com/uploads/1/3/1/4/131437628/8860282.pdf
    • http://franciselphick.com/uploads/1/3/0/5/130550732/vugelorebasuzalaxe.pdf
    • http://coppiandlayla.com/uploads/1/3/1/8/131860938/9506644.pdf
    • http://aidaradfar.com/uploads/1/3/0/2/130272934/lukuzamexupewewowixe.pdf
    • http://cowinfo.org/uploads/1/3/0/5/130590458/fifis.pdf
    • http://xdrenterprises.com/uploads/1/3/0/6/130604574/651932.pdf
    • http://distinctiveeducationpartners.com/uploads/1/3/0/5/130539428/157a206d7.pdf
    • http://hostmaster.empressrocks.co.uk/uploads/1/3/0/4/130436018/xovigaxojifosituf.pdf
    • http://robformta.com/uploads/1/3/0/7/130740342/2491657.pdf
    • http://74-123-76-111.mgwnet.com/uploads/1/3/0/6/130620705/terms.html
    • http://74-123-76-111.mgwnet.com/uploads/1/3/0/6/130620705/dmca.html
    • http://74-123-76-111.mgwnet.com/uploads/1/3/0/6/130620705/policy.html
    • https://delepozafejo.files.wordpress.com/2020/06/52349327190.pdf
    • https://pitaxunus.files.wordpress.com/2020/06/11857602196.pdf
    • https://pomigizob.files.wordpress.com/2020/06/93266857085.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_off000183af.bin
608843fd37e36e498aac85b8599a21b3bfee9573cac20c06c560972fd0702725		 pdf-font-stream PDF embedded font (sfnt) at offset 0x183AF 13116 bytes

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