Malicious PDF — malware analysis report

Static analysis result for SHA-256 3bd7afd5cb6ea270…

MALICIOUS

PDF

39.8 KB Created: 2020-03-09 11:19:00 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 3c7d01bc5058a22d941636691da6bfe2 SHA-1: 51d1dcd6ce72d744b70259e52fa883f3c8dc15d2 SHA-256: 3bd7afd5cb6ea2702849bb86bd866235c810be3fcaa38f8b0c4ba7727873cd0e
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which are hosted on domains that appear to be part of a link farm. The document body, though partially obfuscated, contains text related to 'Linee guida autismo 2018' and references the wkhtmltopdf tool, suggesting a lure to a website that likely hosts malicious content or phishing pages. The primary attack vector appears to be directing users to these external URLs.

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://wcd-jtdgd98u.mgh-r.ch/uploads/1/3/0/3/130379503/130379503.html#linee+guida+autismo+2018
    • http://craftcritic.beer/uploads/1/3/0/3/130379213/3398738.pdf
    • http://monarteonline.com/uploads/1/3/0/5/130590312/dezotolo-xitetugifu-lugiparuvo-panujilefesizun.pdf
    • http://www.hokmahglobal.com/uploads/1/3/0/7/130776727/0b136e01524.pdf
    • http://hostmaster.onedocs.co.uk/uploads/1/3/0/5/130590555/gijiwom-xubivagunufaxi-wonumi-tidafid.pdf
    • http://strangebrau.com/uploads/1/3/0/7/130738511/jebejapixu.pdf
    • http://tawnellhobbs.com/uploads/1/3/0/4/130477335/6610848.pdf
    • http://www.sewinganddesignbycarly.com/uploads/1/3/0/6/130604350/4176686.pdf
    • http://duane-thomas.com/uploads/1/3/0/6/130604933/2760848.pdf
    • http://ww2.edlynfornoles.com/uploads/1/3/0/2/130289158/wetumafunup.pdf
    • http://luperroboticsltd.org/uploads/1/3/0/5/130541944/juwovenu.pdf
    • http://oscarsterte.com/uploads/1/3/0/6/130639997/kogalag_nubebesularur.pdf
    • http://nicksandmay.com/uploads/1/3/0/8/130874102/d14280bbc1baa41.pdf
    • http://uptown.eesforjobs.com/uploads/1/3/0/6/130621636/jukopenagikipudita.pdf
    • http://mrscastillo.com/uploads/1/3/0/7/130740211/2522632.pdf
    • http://s-p-q.org/uploads/1/3/0/7/130739934/7818473.pdf
    • http://www.bodyrevivalmassage.org/uploads/1/3/0/6/130604923/nabifuxuv_bikow.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_off00007260.bin
6351b6a417f238c61ce38300745e0ccc326c4aeefd04568ca95e5502efd62724		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7260 8140 bytes

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