Malicious PDF — malware analysis report

Static analysis result for SHA-256 94df9a4b9985a751…

MALICIOUS

PDF

58.9 KB Created: 2020-07-27 15:58:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b66de91d74de5dc2142308052b69a416 SHA-1: a71b98674b9d10cdfaae157f2921b848167fae3b SHA-256: 94df9a4b9985a75170e2f88552ae54c0886a555635d0fe3dafdbea0314a04a78
150 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with the primary URL pointing to a known malicious redirector. The document body, though heavily obfuscated, suggests a lure related to 'best ppt format for project presentation'. The heuristic firings confirm the presence of malicious redirector links and a link farm, indicating a phishing or redirection attempt. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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 https://ttraff.com/pify?keyword=best+ppt+format+for+project+presentation
    • http://files.mooreenvironmental.eu/uploads/1/3/2/6/132682882/5fac917a5126f.pdf
    • http://files.olympicmountaincloggers.com/uploads/1/3/1/6/131636841/9032662.pdf
    • http://files.keverse.com/uploads/1/3/2/3/132303269/cebb1f79baad2.pdf
    • http://files.mayotravellerssupportgroup.com/uploads/1/3/1/4/131407051/5264802.pdf
    • https://cdn.shopify.com/s/files/1/0428/0814/8127/files/17088868835.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dedijadexurusefux.pdf
    • https://cdn.shopify.com/s/files/1/0433/9276/2006/files/delexo.pdf
    • https://cdn.shopify.com/s/files/1/0432/1342/2753/files/zaxupolajuxaledudedobaf.pdf
    • https://cdn.shopify.com/s/files/1/0440/0083/7782/files/46941810388.pdf
    • https://cdn.shopify.com/s/files/1/0430/0872/1045/files/20689444963.pdf
    • https://cdn.shopify.com/s/files/1/0434/6131/2676/files/jinuj.pdf
    • https://cdn.shopify.com/s/files/1/0431/1724/8672/files/98997078603.pdf
    • https://cdn.shopify.com/s/files/1/0431/6073/1803/files/96978685093.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000aa71.bin
780aa5e96774a82fdb25045c7e5ebd7c66dc91914b3dba6c55394cfb9edb7eaa		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAA71 5044 bytes
font_01_sfnt_off0000bb7e.bin
81bd3fcae8517752c849db4131cc126b0d8e5b9e5e30c472b2c2aab8fcceb44e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBB7E 10184 bytes

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