Malicious PDF — malware analysis report

Static analysis result for SHA-256 acc353516d9e1a0e…

MALICIOUS

PDF

35.9 KB Created: 2020-03-24 21:38:20 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6ea1af8ae9082784a383adb64fb4bf17 SHA-1: 6c01837a9955378cb6e24a8ccac8d5b531e88de0 SHA-256: acc353516d9e1a0e8502e81ac42f6a73adb5681ea026251e38316dc78336094c
62 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. These links point to various PDF files hosted on different domains, suggesting a link farm or a distribution mechanism for further malicious content. The document body contains garbled text and a reference to 'Palabras con crono al inicio en español', which appears to be a lure or keyword stuffing. No scripts were extracted from this sample.

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://sistersqueenofmercy.org/uploads/1/3/0/5/130543995/130543995.html#palabras+con+crono+al+inicio+en+espa%C3%B1ol
    • http://thebubblesbox.com/uploads/1/3/0/4/130488780/petesoworapajuj.pdf
    • http://alluringdiamonds.com/uploads/1/3/0/6/130639235/8870916a8f106.pdf
    • http://raj108yoga.com/uploads/1/3/0/4/130478106/moxupepigubonaz-bavuj-riwinufa-wovitigo.pdf
    • http://cpanel.galesburgrescuemission.org/uploads/1/3/0/4/130435777/nosedonifosuve_rivoxalopiros.pdf
    • http://bimedical.net/uploads/1/3/0/6/130639249/kudurib_dimetazasobeken.pdf
    • http://ianburnleystudio.net/uploads/1/3/0/6/130621853/rolar.pdf
    • http://maxwelgrp.com/uploads/1/3/0/4/130476688/puguzexukidor_juresivexasumik.pdf
    • http://aulasfintech.com/uploads/1/3/0/7/130775370/c3273ad0878ef6.pdf
    • http://berlinsongfestival.com/uploads/1/3/0/7/130775167/4e0fe.pdf
    • http://mail.boxsetrecords.com/uploads/1/3/0/5/130590531/xipuborelaluremiv.pdf
    • http://blackseabeachinc.com/uploads/1/3/0/7/130739624/dbe224.pdf
    • http://eyeslipsandlashes.com/uploads/1/3/0/6/130605125/zidebuzajonafep_bavop_kikuv.pdf
    • http://q72spiceco.com/uploads/1/3/0/6/130620232/9b21d0d36f6.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_off00006244.bin
e4a455ff957f889257358ee19d7caa3cdef19d9e0aa20a95317ad0615798ed4e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6244 8256 bytes

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