Malicious PDF — malware analysis report

Static analysis result for SHA-256 eced8cdf7cc75fdb…

MALICIOUS

PDF

38.7 KB Created: 2020-03-24 18:38:04 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 035307c83af88b4079c406aed89b2c76 SHA-1: a848de2ee23e90fe12c2e28e4502f770cff72a41 SHA-256: eced8cdf7cc75fdbc91ace719b3c9071fe5ef8c70cb8cf6a31e9a8ae2ea31511
92 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body, though heavily obfuscated, contains references to these URLs. The primary purpose appears to be directing users to a network of linked websites, likely for SEO spam or to host malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://globaly.services/uploads/1/3/0/7/130775104/130775104.html#palindrome+number+using+c++
    • http://rofpe.com/uploads/1/3/0/7/130776788/vodavumisolavi.pdf
    • http://nqbateservices.com/uploads/1/3/0/6/130605399/09f1a1e8702.pdf
    • http://roomztogo.com/uploads/1/3/0/4/130476074/139961.pdf
    • http://www.wesleyseminarymetz.com/uploads/1/3/0/4/130435547/kewutobepegej_diguliseki.pdf
    • http://kasiagurgul.com/uploads/1/3/0/7/130739570/xetirozaxegujuvevuno.pdf
    • http://advontech.com/uploads/1/3/0/2/130271083/b4f4a9e39ef8.pdf
    • http://thinknosis.com/uploads/1/3/0/4/130435646/4ca9827a83.pdf
    • http://coolestslimes.com/uploads/1/3/0/7/130738871/647681.pdf
    • http://prime86.com/uploads/1/3/0/8/130874627/6e9bff718be5be.pdf
    • http://nsfwmugshop.com/uploads/1/3/0/7/130739987/pilusuxopi.pdf
    • http://www.duesouthhome.com/uploads/1/3/0/3/130323566/vuzafu_jugenewe_wozelorabefoxo.pdf
    • http://prezdjs.com/uploads/1/3/0/5/130589452/5297536.pdf
    • http://mcaroadsidedeals.com/uploads/1/3/0/7/130739261/dinuzobutulora.pdf
    • http://undergroundpizza.net/uploads/1/3/0/2/130289232/3031436.pdf
    • http://aquariusinvestment.com/uploads/1/3/0/7/130776763/texebima.pdf
    • http://framedzoned.com/uploads/1/3/0/3/130379412/vekogitadevu.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_off00006b76.bin
b40c14d0ac2ca40df1c5a0edf96f99d83ae393a425744f859719cc396b4e3b32		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B76 8924 bytes

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