Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f7df296aa20edeb…

MALICIOUS

PDF

43.5 KB Created: 2020-03-21 19:56:55 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7a05b92a33998d33dd923f0c1c2d6bb6 SHA-1: 3883711a4fc535dfbbdbf6d5b2e54b56dcfc16c8 SHA-256: 1f7df296aa20edebc097edb974d6418092d5666bc504686933bf4db04e7af026
62 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. The document body text, while containing Spanish phrases related to math activities for children, also embeds URLs. These URLs are likely used to redirect users to malicious websites or to manipulate search engine rankings. 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://romanalliance.com/uploads/1/3/1/1/131164556/131164556.html#actividades+de+sumas+y+restas+para+ni%C3%B1os
    • http://tireshopphoenix.pro/uploads/1/3/0/7/130776630/movijeripo_bejomuzon_muzimixobis.pdf
    • http://drumeffect.com/uploads/1/3/0/7/130739291/salosufizefupobadib.pdf
    • http://cpanel.search.canustrealtyinc.com/uploads/1/3/0/6/130603968/zexafexat-fonuwanowanival-vogotopoj-tebelorasak.pdf
    • http://inalock.com/uploads/1/3/0/8/130874281/ripilujisu.pdf
    • http://thestrawmaze.com/uploads/1/3/0/4/130476821/f90b7e295210c.pdf
    • http://hannahhaleymakeup.com/uploads/1/3/0/5/130550938/jinidikumitofa.pdf
    • http://giantcases.com/uploads/1/3/0/2/130270918/kedojuvagifogewom.pdf
    • http://designncoffee.com/uploads/1/3/0/7/130738814/a43442b8989fb.pdf
    • http://christilsed.com/uploads/1/3/0/6/130621382/5d21b7cae0c.pdf
    • http://artiespectorsucks.org/uploads/1/3/0/5/130588962/1979498.pdf
    • http://misterdandtheteam.com/uploads/1/3/0/6/130639815/jikufomerere.pdf
    • http://villagecarehenfield.co.uk/uploads/1/3/0/7/130740437/rozolovipiwetom.pdf
    • http://mixedsf.com/uploads/1/3/0/2/130291724/2790116.pdf
    • http://virginiawinegypsy.net/uploads/1/3/0/2/130273753/gorabosifaxasa.pdf
    • http://ecowastewarriors.com/uploads/1/3/0/7/130775002/lutolavetetifovetotu.pdf
    • http://www.jamesmchaffieclimbing.com/uploads/1/3/0/2/130270956/ffb3feaf58b12.pdf
    • http://thepinevilleplayersllc.com/uploads/1/3/0/6/130620940/63b6fa48.pdf
    • http://nouveaute.online/uploads/1/3/0/8/130874369/xijejape-somot.pdf
    • http://supplementsformedicare.com/uploads/1/3/0/6/130639459/2147207.pdf
    • http://www.bwg-rail.com/uploads/1/3/0/4/130476688/dudunekevojuwu_dekowiri_wulepi.pdf
    • http://hostmaster.madrigalistiturritani.it/uploads/1/3/0/7/130775659/vesofuvozugiwozoreno.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_off00007d55.bin
cdef0d680b5c345368edc5b1a26a18fe3a9cb643c463d543835d386e8d223305		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D55 9020 bytes

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