Malicious PDF — malware analysis report

Static analysis result for SHA-256 f95f8c7bd353682f…

MALICIOUS

PDF

33.1 KB Created: 2020-06-07 08:44:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9a74c21872d9b4389dd57a71c537f314 SHA-1: bceec1025a3c009f47e50fa1af5011d38af5357b SHA-256: f95f8c7bd353682f0e5072d9b284d4a8d47635aa49c6ffc731bf668bcc3bc812
92 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which point to other PDF files hosted on similar domains. This behavior is indicative of a link farm or SEO manipulation tactic, potentially used to distribute malicious content or improve search engine rankings for undesirable sites. The ML classifier strongly flagged this PDF as malicious, supporting the assessment that it is part of a malicious campaign.

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://pomp5.pleasingfood.com/uploads/1/3/0/4/130490006/130490006.html#disawar+satta+king+ki+report
    • http://shrinksync.com/uploads/1/3/0/6/130639995/fc3ee.pdf
    • http://platiumfuncasinohire.com.au/uploads/1/3/1/3/131384536/vajenirotipejaz_fitirafenu.pdf
    • http://seapowermanagement.com/uploads/1/3/1/4/131453402/4017328.pdf
    • http://casemedicine.org/uploads/1/3/0/2/130273804/petiwezutaz.pdf
    • http://mail.rmrrsha.com/uploads/1/3/1/3/131381682/4196712.pdf
    • http://mta-sts.swiftswcd.org/uploads/1/3/0/5/130538994/1860012.pdf
    • http://11f.undesirable.us/uploads/1/3/0/2/130289719/6749663.pdf
    • http://kupponen.com/uploads/1/3/0/7/130775242/fotozagodalob_tamozavazov_xaputibumimixon.pdf
    • http://anna-grace-photo.com/uploads/1/3/1/3/131379732/8784096.pdf
    • https://nubiwudowuva456071019.files.wordpress.com/2020/06/33594111993.pdf
    • https://wotolijexux.files.wordpress.com/2020/06/15985767435.pdf
    • https://wifuxew.files.wordpress.com/2020/06/77143146618.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_off000057fc.bin
90ac22abe53dff3d9a2cff8b6e522e3b7cbdc9d184c6d1ca02e2be8c1f627213		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57FC 9740 bytes

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