MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to a link farm designed for SEO manipulation or phishing, as indicated by the 'PDF_SEO_LINK_FARM' and 'PDF_SEO_UTM_REDIRECTOR_LINK' heuristics. The primary lure URL is https://jacksth.ru/award?keyword=electrical+engineering+definition+for+kid, which redirects to other PDFs. ClamAV also detected this file as 'Pdf.Phishing.Trojan'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9736
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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External URI info PDF_URIPDF contains an external URL action
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Embedded URL info EMBEDDED_URLOne 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://jacksth.ru/award?keyword=electrical+engineering+definition+for+kid PDF link annotation
- https://cdn-cms.f-static.net/uploads/4473916/normal_6021451f90f47.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4500692/normal_6012639d263a1.pdfIn PDF document text
- https://rapowude.weebly.com/uploads/1/3/1/4/131454581/bewile-ritosejinas.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408992/normal_602535e0e9c73.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482009/normal_6036f7533bd84.pdfIn PDF document text
- https://rogujodur.weebly.com/uploads/1/3/4/8/134899240/5769378.pdfIn PDF document text
- http://keepxufi.space/45905548192pt1xi.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4372673/normal_5feb963fdca90.pdfIn PDF document text
- https://dugigoje.weebly.com/uploads/1/3/4/7/134754128/8059344.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374199/normal_5fe257f9e2f21.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403117/normal_601bc1a26a623.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/kodipopujufipig/70857010209.pdfIn PDF document text
- https://s3.amazonaws.com/woxotopapozokev/bikemuzor.pdfIn PDF document text
- https://s3.amazonaws.com/vuxagixil/nemusonube.pdfIn PDF document text
- https://s3.amazonaws.com/mawesenasijoser/arjun_reddy_telugu_movie_moviezwap.pdfIn PDF document text
- https://s3.amazonaws.com/radubozufiwo/mukek.pdfIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e6a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6A7 | 5032 bytes |
SHA-256: 86ba1318656f8d31d0e43b1ed3e9d9112ddea5f9e36b0f8b48c0da508df762c5 |
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