PDF malware analysis — malicious · c6dbe03dd8834807

MALICIOUS

PDF

41.7 KB Created: 2020-03-09 10:06:28 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)

MD5: b0bb56838fa9c64ca154ac8770ccdff4 SHA-1: c1d8556d49cf9f486d672f5d01e967733fd89cfd SHA-256: c6dbe03dd883480706f0ed2f74df328d23fc13650df2ddb82251208f88dc7669

92 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious with high confidence. The primary attack pattern appears to be a link farm designed to direct users to potentially malicious content hosted on numerous domains. No scripts were extracted from this sample.

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://www.lmlassurancesante.com/uploads/1/3/0/2/130273799/130273799.html#inductive+reasoning+and+deductive+reasoning+definitions
- http://outandequalseattle.org/uploads/1/3/0/3/130313610/98ec8b0c9f.pdf
- http://okcommunity.net/uploads/1/3/0/5/130551523/najaw-nileraru-nozedusixinod-dasome.pdf
- http://lchcs.com/uploads/1/3/0/3/130313494/gekejevebufetudug.pdf
- http://mx.tarafaulknerphd.com/uploads/1/3/0/6/130639861/zotopedi_zopojutume_ligarizukapa_pifojabugupowe.pdf
- http://horsemindbodysolutions.com/uploads/1/3/0/6/130605509/gowireneluvi_jekodepo_gumewemaweraker.pdf
- http://beesea.com/uploads/1/3/0/6/130604579/vuxomefefi_rinagavi.pdf
- http://saffleplantfarm.com/uploads/1/3/0/2/130291783/5209477.pdf
- http://theaanh.com/uploads/1/3/0/6/130622063/nukubafobaj.pdf
- http://sng1product.world/uploads/1/3/0/6/130621072/fibusef-vedul-nubozofupe-molamagakelove.pdf
- http://reileyrealty.com/uploads/1/3/0/7/130775125/3533673.pdf
- http://undefendedheart.net/uploads/1/3/0/2/130271206/7731560.pdf
- http://mountainvilleumc.com/uploads/1/3/0/5/130588425/e37fcd3.pdf
- http://the-bankruptcy.com/uploads/1/3/0/6/130639653/dawoka_dojigovar.pdf
- http://www.mrspalmer.org/uploads/1/3/0/3/130313221/tigewakaxigu.pdf
- http://vsewer.com/uploads/1/3/0/7/130740221/2526343.pdf
- http://r3healthandfitness.com/uploads/1/3/0/5/130588366/wiwozibivu.pdf
- http://mta-sts.extramile.co.za/uploads/1/3/0/8/130814562/buzituvutilep.pdf
- http://rimrepairchicago.com/uploads/1/3/0/6/130639632/ecba6189c9a6fb.pdf
- http://threehappytails.com/uploads/1/3/0/5/130589056/janarezububegiwadaka.pdf
- http://bosolutions.net/uploads/1/3/0/4/130489410/2417410.pdf
- http://swclink.org/uploads/1/3/0/3/130313178/jerita_xuzomub.pdf
- http://www.royalorganicsbykaylahdenae.com/uploads/1/3/0/3/130313459/mevix_didevadozo.pdf
- http://terramargroups.com/uploads/1/3/0/2/130271058/wuzabug-vesozesamaga-zekeveful-momal.pdf
- http://www.hinojusu.net/uploads/1/3/0/8/130873962/rizefupozepe.pdf
- http://terramargroups.com/u
- 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.

Filename	Kind	Source	Size
`font_00_sfnt_off000079d8.bin` `e19112cbdef0b1545bb5d61c0d463311b6ffd69feee5a4788c9bdc455e880308`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x79D8	8104 bytes

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