Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb55d1c6171a5e72…

MALICIOUS

PDF

36.0 KB Created: 2020-04-08 09:51:28 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 3fa62b32f90dd1dd1eff2391f64a3703 SHA-1: 8806f0a6f522534b9dd1e06b27f11d2002eb6cd8 SHA-256: eb55d1c6171a5e726fee0e936b66110a7bb64b379b2b92091273692ab3b762e2
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, a technique often used for SEO poisoning or to redirect users to malicious sites. The document body, though heavily corrupted, contains text related to cinema showtimes and a URL that appears to be part of this lure. The primary heuristic indicates a link farm, suggesting the document's purpose is to drive traffic to various external domains, likely for malicious purposes.

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://gt-mgmt.com/uploads/1/3/0/6/130605166/130605166.html#cinema+12+prattville+alabama+showtimes
    • http://treshijos.com/uploads/1/3/0/5/130545884/sirajuboxubufelow.pdf
    • http://ctsolarhomes.com/uploads/1/3/1/3/131380606/2437407.pdf
    • http://compasspublishing.org/uploads/1/3/0/8/130814845/5365072.pdf
    • http://samverghese.com/uploads/1/3/0/6/130639317/dawifur_venoxeno_wizudimukane_fubaf.pdf
    • http://ameritaltours.com/uploads/1/3/0/6/130604459/luvibojipi.pdf
    • http://psychiatricservicesllc.org/uploads/1/3/0/8/130874126/202315.pdf
    • http://carneliansunsetproject.com/uploads/1/3/1/1/131164418/dederatuwogorej.pdf
    • http://schoenfeldheaders.net/uploads/1/3/0/7/130738730/jetiwixejudotimunud.pdf
    • http://4thdownhomebuyers.com/uploads/1/3/0/5/130589269/85ac7333eb8855.pdf
    • http://beautikova.com/uploads/1/3/0/3/130379894/a3a996.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_off00005099.bin
228dd4b325d6d0acedd00004d7f04122b9d4d3f3b79a6a9369cddbb3501209b8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5099 7436 bytes
font_01_sfnt_off00006dda.bin
67cd3670ae6e342190c318dfdfd494d386a674b289d6b9f0c2dec60068b7ac9d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DDA 16100 bytes

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