PDF malware analysis — malicious · cad50fcf67f8ac05

MALICIOUS

PDF

62.3 KB Created: 2021-09-11 09:44:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07

MD5: 3a436da322cff8eaec1f3f959a2d79d1 SHA-1: 9e082cfd41f13d6eea7991f9acc6dbaf88202aff SHA-256: cad50fcf67f8ac0572c6fb4d2a959cfb7bdef808237a3cba30e7a7b5013cafdf

132 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript and a high number of external URIs, many of which are hosted on disposable domains, indicating a link farm for malicious redirection. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery via the embedded links.

Machine Learning

Nyx PDF Classifier malicious score 0.6855

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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 https://imahima.xyz/js/ckfinder/userfiles/files/lanatafuloxaleg.pdf In PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c05a4ab3f6---mipofafixu.pdfIn PDF document text
- http://starfishdowney.com/uploads/files/79320330855.pdfIn PDF document text
- http://architettogherardi.eu/userfiles/files/gozifaribokulu.pdfIn PDF document text
- https://ichibaninfotech.com/ckfinder/userfiles/files/pirisogozo.pdfIn PDF document text
- https://sanghvicranes.com/staging/media/vixutorebur.pdfIn PDF document text
- http://meubelenindex.nl/images/uploads/guxubanipugusipadis.pdfIn PDF document text
- http://pretaporter-pegah.com/userfiles/file/90002193425.pdfIn PDF document text
- http://geoodwierty.pl/files/file/lumexofuboxowizojugag.pdfIn PDF document text
- https://bedandbreakfastchia.it/userfiles/file/26428437040.pdfIn PDF document text
- http://tachikawa-derma.biz/ckfinder/userfiles/files/fuxunibewevovolad.pdfIn PDF document text
- http://zonazero.es/userfiles/file/51014971479.pdfIn PDF document text
- http://iuoooo.com/filespath/files/20210911001936.pdfIn PDF document text
- http://citranco.com/users/files/lofogefu.pdfIn PDF document text
- http://dlshixiang.com.cn/ckfinder/userfiles/files/79574626944.pdfIn PDF document text
- https://www.theknowledgeonline.com/files/lib/ckfinder/userfiles/files/ginenazukeriwefawez.pdfIn PDF document text
- http://sahcarpets.com/userfiles/file/popojojawimutu.pdfIn PDF document text
- https://asfus.net/virgsurv/userfiles/file/pozogisepokokax.pdfIn PDF document text
- http://les-dvorik.ru/userfiles/file/towopu.pdfIn PDF document text
- http://supermarketdv.ru/files/file/70627147903.pdfIn PDF document text
- http://knipia.com/userfiles/file/71060444530.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=android+apps+for+windows+7+laptop+free+downloadPDF link annotation

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