Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc053a3a78e18494…

MALICIOUS

PDF

33.0 KB Created: 2020-04-20 20:27:13 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: b9f22ca2f710386a13b71ee616e8335b SHA-1: e3164ed74c77165abf73d9e47e54839548ad0074 SHA-256: bc053a3a78e18494368cb1e82a982f3a3d31b76a451522a2d1fc1b04ddefac35
92 Risk Score

Malware Insights

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

The PDF contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The ML classifier also strongly flagged this PDF as malicious. The primary purpose appears to be directing users to these external resources, which could host further malicious content or phishing pages.

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://thebakingsoldier.com/uploads/1/3/0/9/130969473/130969473.html#powerpoint+2016+personal+templates
    • http://costume-fantasy.com/uploads/1/3/0/5/130590336/jofutavesojej.pdf
    • http://sinmaps.com/uploads/1/3/0/8/130873736/05c88d5b56b0.pdf
    • http://redeemingkimberly.com/uploads/1/3/0/7/130739593/fb7ca1d3070a9.pdf
    • http://horizontechservices.org/uploads/1/3/0/4/130488934/af45b13338d.pdf
    • http://blastmasterstn.com/uploads/1/3/0/8/130813490/jikozurasusob-verag-pepagegokedob.pdf
    • http://helixflexitek.com/uploads/1/3/0/3/130379142/40a3d9.pdf
    • http://vanillacatering.org/uploads/1/3/0/4/130476581/funenude_wezipaza.pdf
    • http://leimetltda.com/uploads/1/3/0/3/130379113/beb78a97c21b.pdf
    • http://graceadventures.blog/uploads/1/3/0/6/130620524/dumuxol.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_off000059e3.bin
0b0c6bb1f493c5c8eed003178ab5795fe14b41e321ee645728e7368fe76b72a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59E3 7700 bytes

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