Malicious PDF — malware analysis report

Static analysis result for SHA-256 9652c480d2bf8ffd…

MALICIOUS

PDF

99.0 KB Created: 2020-04-22 02:45:08 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 917c1f572a4a390dd05fc7828146cd37 SHA-1: 4a1b15eeea11065001a045d54e2461c85ef48579 SHA-256: 9652c480d2bf8ffdf50215078f4fba32b7a17bb742c4b4a6526569d08c3786d9
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or redirection mechanism. The primary purpose appears to be directing users to external content, potentially malicious, rather than delivering a direct exploit. No scripts were extracted from this sample, limiting the ability to determine further payload delivery or execution.

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://amyvan.com/uploads/1/3/1/0/131070147/131070147.html#ncaaf+picks+bleacher+report+week+4
    • http://unlvtakebackthetap.com/uploads/1/3/1/6/131606965/7762722.pdf
    • http://alamoheightsschmidtacrepair.com/uploads/1/3/0/2/130272260/2c28ce.pdf
    • http://beautydrome.com/uploads/1/3/0/7/130775796/08370a463f474.pdf
    • http://capetownattorney.com/uploads/1/3/0/4/130476339/xabafudexaneso.pdf
    • http://thecasketsoutlet.com/uploads/1/3/0/5/130539305/7818949.pdf
    • http://tandl-inter.com/uploads/1/3/0/3/130379174/dab74fdcc4.pdf
    • http://trademark-litigators.com/uploads/1/3/0/4/130483155/rinefuvivaraw.pdf
    • http://nctpatchcollector.com/uploads/1/3/0/2/130272877/bosedu-wusemini-bomowizetebowu-samifagejum.pdf
    • http://globalmyanmarsoas.com/uploads/1/3/0/6/130605182/5411224.pdf
    • http://mysweetlullabiesnannies.com/uploads/1/3/0/5/130588244/sufezej.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_off00015f6d.bin
dbf54a467ef769e10624a0deb3de46e00675b8e770f672188b065bafb4f41519		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15F6D 8356 bytes

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