Malicious PDF — malware analysis report

Static analysis result for SHA-256 e93e0c60a45128ff…

MALICIOUS

PDF

28.8 KB Created: 2020-04-25 22:41:02 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 01620aed30c3b566c2640328915f8357 SHA-1: a0cda81b0709d6351accf9d6aa8307204c823281 SHA-256: e93e0c60a45128ff05f998aa60a2e4451c9c89af1cf73f1263b26063ca62e276
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The document body, though partially corrupted, suggests a lure related to educational worksheets ('Ious words ks2 worksheet'). The primary intent appears to be directing users to these external sites, which are likely hosting malicious content or phishing pages. No scripts were extracted, limiting the analysis of direct execution capabilities.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9964

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://zewencustomcabinetry.com/uploads/1/3/0/4/130488085/130488085.html#ious+words+ks2+worksheet
    • http://httpsadmin2infomaniakcomloginphp.com/uploads/1/3/0/5/130543285/8849180.pdf
    • http://mexicoluminaria.com/uploads/1/3/0/4/130476632/gefan.pdf
    • http://journeytowellnesstravel.com/uploads/1/3/1/4/131408664/tafafe.pdf
    • http://3rdgearwaseca.org/uploads/1/3/0/7/130775782/2834767.pdf
    • http://wgs-incassokantoor.be/uploads/1/3/0/5/130589410/55329e1a5320539.pdf
    • http://affordable-lawncare.org/uploads/1/3/0/8/130813777/lonegalumali.pdf
    • http://azcommunity.com/uploads/1/3/1/0/131070387/vevizunopoti_zorixozu_polafekig_pegel.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_off00004c96.bin
3127e2fbe18a9931b1beb9a4afd96bc50929bce601565004fa45d1a79c011fce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4C96 6784 bytes

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