Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2d4cdff9edf8e8b…

MALICIOUS

PDF

39.5 KB Created: 2020-03-27 05:18:54 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 534dac42052cb3a64420ddc2efaa31f1 SHA-1: db8b13371860d440d642e8dda70b4240a76c1cef SHA-256: c2d4cdff9edf8e8b8fa967dfe1c1ad465ed66a1dcaec9dc64ef6976dfdd70375
62 Risk Score

Malware Insights

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

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 SEO spam campaign. The document body itself is largely unreadable, but the presence of numerous external links is the primary indicator of malicious intent. 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://transition-2.org/uploads/1/3/0/7/130740145/130740145.html#que+son+los+cinco+sentidos+para+ni%C3%B1os
    • http://www.cannasbestdepot.com/uploads/1/3/0/6/130621425/kemejije.pdf
    • http://mlstourney.com/uploads/1/3/0/2/130289225/xisavazodeba.pdf
    • http://mta-sts.siloamyouth.com/uploads/1/3/0/7/130738623/pawut.pdf
    • http://comedywonder.com/uploads/1/3/0/8/130874220/miwamaxereb.pdf
    • http://www.at-beach.com/uploads/1/3/0/4/130493248/jurejewux.pdf
    • http://phoenix-academy.org/uploads/1/3/0/8/130814145/rimimebo.pdf
    • http://slamgirlsmusic.com/uploads/1/3/0/6/130604983/nufivibixugosusojal.pdf
    • http://adsl-63-204-18-27.benefitplans.org/uploads/1/3/0/6/130639815/8070975.pdf
    • http://joaandjames.love/uploads/1/3/0/4/130490681/ribereguziv.pdf
    • http://artsjamkids.com/uploads/1/3/0/5/130589194/7712595.pdf
    • http://icconic.com/uploads/1/3/0/6/130605519/388d7a43770205.pdf
    • http://dawnoverthemoon.com/uploads/1/3/0/6/130621557/2325375.pdf
    • http://myhealthcareadministration.com/uploads/1/3/0/6/130639710/tupunekuzagixuwaru.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_off00006fdf.bin
90f84c0784a97ca63ba3710a1356a6b5de93e06619c4e48cfd9267c24f8a714b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FDF 8588 bytes

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