PDF malware analysis — malicious · ad7f5c16f93b3d58

MALICIOUS

PDF

37.1 KB Authoring application: Karbon First seen: 2021-06-13

MD5: aa9f2d55b14bbd87ad8e0fc4b5f97992 SHA-1: 4f4996045501b72c1ff1a481039fa19b9c78683c SHA-256: ad7f5c16f93b3d58d83eed557e2192189760374c1da69f69ec0bbcc44ce07381

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm, which is a common technique for phishing and distributing malware. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as phishing. The embedded URLs likely lead to further malicious content or phishing pages.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
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.
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://wawujova.alltoptoxx.ru/uploads/2020/01/29/fexorakut.pdf In PDF document text
- http://ncohouston.org/uploads/1/3/0/6/130604372/802414950.pdfIn PDF document text
- https://nazufobaxorad.weebly.com/uploads/1/3/0/6/130604682/puvifulil_zutan.pdfIn PDF document text
- http://oilcompany.ru/uploads/2020/01/27/4128467.pdfIn PDF document text
- https://ruxixuzurigixup.weebly.com/uploads/1/3/0/2/130291358/fubimopavopak_pemefusamutu_vajapirixa_malikidile.pdfIn PDF document text
- http://wamukob.kcegamma.ru/uploads/2020/01/28/zodadufininelot.pdfIn PDF document text
- https://vogotevuju.weebly.com/uploads/1/3/0/5/130589239/xemadidivi-dawolujow.pdfIn PDF document text
- http://tankenterprises.ca/uploads/1/3/0/6/130621446/d48b0a9f4ad4.pdfIn PDF document text
- http://xefugilos.lafethome.ru/uploads/2020/01/28/guvurenotajudelimak.pdfIn PDF document text
- http://authorkmdylan.com/uploads/1/3/0/2/130270864/lesabixex.pdfIn PDF document text
- http://viptip.pro/uploads/2020/01/27/kumelode.pdfIn PDF document text
- http://begone-dumps.store/uploads/2020/01/29/wogavejot_fikolotijejuki_makabidakob.pdfIn PDF document text
- http://wese.o-bimber.pl/uploads/2020/01/29/1502917.pdfIn PDF document text
- https://zomabebadax.weebly.com/uploads/1/3/0/2/130272862/fuderelajogi.pdfIn PDF document text
- http://thediamondtool.ru/uploads/2020/01/27/dovopuk-pufesivadewo.pdfIn PDF document text
- http://banginhardfireworks.com/uploads/1/3/0/5/130540406/fesidokilokolu.pdfIn PDF document text
- http://cynthiasmindset.com/uploads/1/3/0/2/130289754/tulefoxababaperanoz.pdfIn PDF document text
- http://tigebol.kolesa26.ru/uploads/2020/01/27/rupupo_kasen_niruraz.pdfIn PDF document text
- http://zajar.amazon-sellers-check.com/uploads/2020/01/28/fb1010925b108d.pdfIn PDF document text
- https://gepifemekin.weebly.com/uploads/1/3/0/6/130603676/f7bd9cd1810.pdfIn PDF document text
- http://filezu.borauto-vikingi.online/uploads/2020/01/29/9289a.pdfIn PDF document text
- http://mjmiles.com/uploads/1/3/0/2/130273623/raguzanukexipux.pdfIn PDF document text
- http://nationalassetretrievalservices.com/uploads/1/3/0/6/130639892/130639892.html#cabal+ph++full+client+2019In PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000016a9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x16A9	7580 bytes
SHA-256: `9eabec6658a47d9f49a478bec67d3817a0f15fdc6de2cd3899baf89662b8795e`

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