PDF malware analysis — malicious · b259540c2c90c8fd

MALICIOUS

PDF

49.4 KB Created: 2020-03-25 05:53:15 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)

MD5: 9ce67a36541bcd4a59ee6ce295cafb7e SHA-1: 11010c485ad271c958df1bd7230dc5fae8988ae7 SHA-256: b259540c2c90c8fd05f80adb4d8bf93b45ab554ef7c1518195b9b904148fc875

92 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF contains a large number of external links, detected by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The ML classifier also strongly indicated maliciousness. The primary attack pattern appears to be a link farm or SEO manipulation, potentially to distribute malware or conduct phishing by directing users to a vast number of external PDF files.

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://myentouragemusic.com/uploads/1/3/0/6/130620668/130620668.html#amd+ryzen+5+2600x+6x+3600mhz
- http://zelscakes.com/uploads/1/3/0/4/130483364/3796967.pdf
- http://wiltshirepest.com/uploads/1/3/0/3/130379638/e61e993a.pdf
- http://excellingheightsllc.com/uploads/1/3/0/2/130289800/4481431.pdf
- http://maddenlife.info/uploads/1/3/0/4/130477192/1445835.pdf
- http://adentamexico.com/uploads/1/3/0/7/130775842/koxepenevefuzob.pdf
- http://mail.ictschule.ch/uploads/1/3/0/5/130543276/vazapufijenojuv.pdf
- http://wellingwavesmedia.com/uploads/1/3/1/0/131070498/vodikopuziwulu-pemigibuf-kujawikaxu.pdf
- http://gemmavalentine.net/uploads/1/3/0/3/130313366/9809156.pdf
- http://www.gwdesigns.us/uploads/1/3/0/5/130550955/gixim.pdf
- http://studioloarchitecture.com/uploads/1/3/0/5/130539718/kalamunubet-wuwibumofituz-wajozopasukaku.pdf
- http://superhumanacadamy.com/uploads/1/3/0/2/130288310/takamafejabe.pdf
- http://bonhamshouse.org/uploads/1/3/0/3/130323141/136a71640.pdf
- http://cvillehomeimprovements.com/uploads/1/3/0/7/130738638/kemawad-wifuxilunipat-wejurad-wuxenuru.pdf
- http://fastcatdata.com/uploads/1/3/0/6/130621193/sigakex.pdf
- http://cbdforbullys.com/uploads/1/3/0/7/130739324/wazokeduwik_zarubesix.pdf
- http://stout-mechanical-ok.com/uploads/1/3/0/5/130551957/jorozikokiri_nakuwat.pdf
- http://mail.cocobeancafe2018.com/uploads/1/3/0/6/130639678/gufixajovubawitobi.pdf
- http://zandali-dominion.com/uploads/1/3/0/5/130539518/f80f9.pdf
- http://www.erieseptic.com/uploads/1/3/0/6/130639929/9412020.pdf
- http://www.fionalovesshop.com/uploads/1/3/0/7/130775320/vozenuw-zugofinov.pdf
- http://dev.carothersinsurance.com/uploads/1/3/0/4/130488322/wowoti-luguxazefasekuf-libaboles-vaxon.pdf
- http://gamesbookers.com/uploads/1/3/0/8/130814360/jedabotowovo-tikagef-dibesumepi-gimoxuvexeta.pdf
- http://reachforthestars.co/uploads/1/3/0/5/130590588/namanopu.pdf
- http://annadjohnson.com/uploads/1/3/0/7/130739126/vugeforikipanog.pdf
- http://reachforthestars.co/uploads/1/3/0/5/1305
- 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_off000097fc.bin` `295abab1e6fcdda0fc90e199869452da87cfe74fdb7ed2510c77dba642d15bef`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x97FC	8316 bytes

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