Malicious PDF — malware analysis report

Static analysis result for SHA-256 52be8f47dbcd6e7e…

MALICIOUS

PDF

38.5 KB Created: 2020-03-24 22:58:07 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: a94defb20171e202d4645cdaad0480b0 SHA-1: d86f160b3d8bc7c39d1cc3604a9b82eb75e7cde6 SHA-256: 52be8f47dbcd6e7e6513d3140d01b2a27c34311d4f9ed4dfbc08cb9564eb346b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body, though partially corrupted, contains text related to 'Strengthsfinder 2.0 free' and references the wkhtmltopdf tool, suggesting a lure. The primary function appears to be directing users to a vast network of other PDF files hosted on numerous domains, likely for SEO spam or to distribute further 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://kalajarvenlomakyla.fi/uploads/1/3/0/5/130590325/130590325.html#strengthsfinder+2.0+free
    • http://packsdemorritas.com/uploads/1/3/0/3/130323216/zosiruwativosuvixoze.pdf
    • http://mail.deinehandwerker.ch/uploads/1/3/0/6/130620473/369e55.pdf
    • http://barkerkindergardens.com/uploads/1/3/0/6/130620508/6359798625ff5dd.pdf
    • http://coreeastend.org/uploads/1/3/0/7/130775826/4869133.pdf
    • http://upstarrpactreasurehunt.com/uploads/1/3/0/6/130639181/4016728.pdf
    • http://hostmaster.tomwray.co.uk/uploads/1/3/0/6/130621892/4c0b29c.pdf
    • http://teatimellc.com/uploads/1/3/0/4/130483564/7914727.pdf
    • http://designer-inc.com/uploads/1/3/0/6/130604616/dozosoxobis.pdf
    • http://ilovelushpops.com/uploads/1/3/0/6/130621682/mafezejis-bebafivub.pdf
    • http://suitlandhsfeasibilitystudy.com/uploads/1/3/0/3/130323422/zobosazozatu.pdf
    • http://dichvuseowebsitehanoi.com/uploads/1/3/0/5/130551487/9ae7ca9b5e.pdf
    • http://www.campusentrepreneur.ca/uploads/1/3/0/2/130271124/tokijawaruwaxim_tamuviputi_tavoduroj.pdf
    • http://ifox-tech.com/uploads/1/3/0/4/130476403/xiwuxejujuril_rulusege_pufaz_tofaliniz.pdf
    • http://10thirtychoir.org/uploads/1/3/0/4/130488773/juxuxinifov-besisegezoto-zakiz.pdf
    • http://refractband.com/uploads/1/3/0/7/130739934/ditexinox.pdf
    • http://fancyfeatheredfarm.com/uploads/1/3/0/4/130476204/0a293b0a01.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_off00006e1a.bin
d2c360a4ba2bd1002c494b8a38b899bb7969ea8610099f735281e9330e14403a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E1A 7976 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.