Malicious PDF — malware analysis report

Static analysis result for SHA-256 57ef3ad64e4e073a…

MALICIOUS

PDF

41.8 KB Created: 2020-04-17 20:12:24 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 02c7b4eb28780d60dad8c285324c4cf3 SHA-1: b216f252bef0cc28d05f84cd87ee642ed3cf9fac SHA-256: 57ef3ad64e4e073ada3e12d5391920ce455823f65c8bb332586033f5967f5e2c
70 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

The PDF file contains a heuristic firing for a link farm, indicating a large number of external links. The document body, though partially corrupted, contains text related to a 'Schengen visa application', suggesting a lure. The presence of multiple unknown reputation URLs, such as http://baylandesign.net/uploads/1/3/0/7/130739690/130739690.html#application+for+schengen+visa+spain, reinforces the phishing or malware distribution vector. No scripts were extracted from this sample.

Heuristics 4

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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://baylandesign.net/uploads/1/3/0/7/130739690/130739690.html#application+for+schengen+visa+spain
    • http://feelzdance.site/uploads/1/3/0/5/130540507/9943498.pdf
    • http://southerngatemusicfestival.com/uploads/1/3/0/7/130739947/1001053.pdf
    • http://thekeyanni.com/uploads/1/3/0/6/130605344/neboxulax.pdf
    • http://outofframefilms.com/uploads/1/3/0/9/130969315/bozugojilivam.pdf
    • http://luxury-district.com/uploads/1/3/0/7/130739034/37c4d0c28.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_off00007914.bin
b7d6f2c7725b4a694adb4ba547f2070adfab19a63fe3383038ce98a7c95b388d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7914 9056 bytes

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