PDF malware analysis — malicious · fe5f1d86ec779432

MALICIOUS

PDF

58.1 KB Created: 2021-01-16 19:16:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 50d2b31e63842e3e84858bccb70ba7f0 SHA-1: 2d77d8615de73767bed12873b3547cfde8da55bb SHA-256: fe5f1d86ec779432d9fe3e43b40fc39c93b0c1a6c32e3affe6640961f4822115

212 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically `https://gettraff.ru/123?utm_term=portal+flash+version+walkthrough`. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, one of which is `https://s3.amazonaws.com/julaxel/napigezod.pdf`. These findings, combined with a high ML score and ClamAV detection, strongly indicate a phishing or malicious redirection attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9477

Heuristics 4

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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.
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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://gettraff.ru/123?utm_term=portal+flash+version+walkthrough
- https://cdn-cms.f-static.net/uploads/4387806/normal_5faab8506f294.pdf
- https://site-1168027.mozfiles.com/files/1168027/tuvume.pdf
- https://cdn-cms.f-static.net/uploads/4378641/normal_5fa74414af613.pdf
- https://lozagazol.weebly.com/uploads/1/3/4/2/134266804/tejulomaduwen.pdf
- https://cdn-cms.f-static.net/uploads/4444630/normal_5fc143f17978b.pdf
- https://cdn-cms.f-static.net/uploads/4367281/normal_5fa82a4249fc1.pdf
- https://static.s123-cdn-static.com/uploads/4381980/normal_5fcfaf5d95327.pdf
- https://static.s123-cdn-static.com/uploads/4373986/normal_5ff49c2f85dbd.pdf
- https://cdn.sqhk.co/senosekagoko/9ggjaXe/horror_nights_story_quest.pdf
- https://site-1176840.mozfiles.com/files/1176840/99739273864.pdf
- https://bulipabuwalo.weebly.com/uploads/1/3/4/1/134131868/tikatixuz_pojatutiguf_kokup.pdf
- https://s3.amazonaws.com/julaxel/napigezod.pdf
- https://s3.amazonaws.com/tulosa/fuwagidividuf.pdf
- https://s3.amazonaws.com/zurovajij/online_convert_jpg_to_below_1mb.pdf
- https://s3.amazonaws.com/rovikibixu/varesusodavavanaf.pdf
- https://s3.amazonaws.com/mefadedosuw/xijozigavewufiwawanirizu.pdf

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