Malicious PDF — malware analysis report

Static analysis result for SHA-256 45ee0ca0955bf63b…

MALICIOUS

PDF

39.6 KB Created: 2020-03-30 13:51:22 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: bc4f0a1aeba8ede0b1abcbe961e1f630 SHA-1: dbe0db8387901e8b05bf06d55dbd694879a75c6b SHA-256: 45ee0ca0955bf63bcf9082f1a123ffde71069e586b6edbbcdd2c4011ebe967fb
92 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, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, all structured in a similar SEO-friendly pattern, suggesting a link farm or traffic generation scheme. The ML classifier also strongly indicated maliciousness. The primary attack pattern involves redirecting users to these external sites, potentially for phishing or malware distribution.

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://sta-66-99-58-208.ladse.org/uploads/1/3/0/5/130550827/130550827.html#don+quijote+y+sancho+panza+cancion+letra
    • http://cdn-0.newenglandlighthouses.net/uploads/1/3/0/4/130488979/183999.pdf
    • http://cliftonhauntedtrail.com/uploads/1/3/0/7/130739578/duneguriwegu.pdf
    • http://reidangus.com/uploads/1/3/0/4/130436166/2c2fef2a31.pdf
    • http://helpinghandfamilia.com/uploads/1/3/0/2/130291441/9926086.pdf
    • http://projectdrawings.com/uploads/1/3/0/7/130738546/luvusuxozube.pdf
    • http://manifestorders.net/uploads/1/3/0/5/130551764/d18586f97d9c7.pdf
    • http://audia2dp.com/uploads/1/3/0/8/130815437/7809675.pdf
    • http://casaarcangelsanmiguel.com/uploads/1/3/0/5/130545241/c145544d0c9b2.pdf
    • http://teacherinfoseries.com/uploads/1/3/0/3/130313252/8402054.pdf
    • http://kirasr.com/uploads/1/3/0/5/130550966/9671486.pdf
    • http://boostersnetwork.com/uploads/1/3/0/7/130776072/gojitonagewaxa.pdf
    • http://thirdcoasthealth.org/uploads/1/3/0/6/130640015/bivifitenogog_doketepi.pdf
    • http://nairobiprojectorservices.com/uploads/1/3/1/1/131163664/vofixenikusanej.pdf
    • http://caps-kawauchi.net/uploads/1/3/0/9/130969842/lidajinagaxe.pdf
    • http://ceesvanderelst.com/uploads/1/3/0/4/130476447/vifomudisef_tubezol_godovuzipox.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_off00006ba3.bin
37ed64e149268304a010bb49a64ee05f04b7be57588dfc9f59c413f60d9ddcb4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BA3 10068 bytes

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