MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to SEO-optimized domains, suggesting a link farm or phishing lure. The heuristic 'PDF_SEO_UTM_REDIRECTOR_LINK' specifically identifies an image lure linking to an SEO redirector for 'free-download phishing'. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for distributing further payloads or conducting phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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://vilenefex.ru/award?keyword=abortus+provokatus+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4459629/normal_5ff1c6e99d6fe.pdfIn PDF document text
- https://s3.amazonaws.com/xixonu/ring_doorbell_reviews_consumer_reports.pdfIn PDF document text
- https://s3.amazonaws.com/pukaridimupo/mesebexasogesosa.pdfIn PDF document text
- http://qwonder.space/cloud_computing_definition_in_computer_scienceb3exy.pdfIn PDF document text
- http://devgame.design/90026526252z5u6s.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374536/normal_602a548fe2955.pdfIn PDF document text
- http://energytik.net/jegavemuzafipegu1qcq.pdfIn PDF document text
- https://s3.amazonaws.com/wazotojemov/xodezosik.pdfIn PDF document text
- https://radogatibemif.weebly.com/uploads/1/3/2/8/132815767/tosejo-gejaleratu-mikewevefexuw.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419628/normal_602729915a643.pdfIn PDF document text
- http://korecos.ru/lotemocoop6.pdfIn PDF document text
- https://jevamupoledi.weebly.com/uploads/1/3/4/7/134712268/6235022.pdfIn PDF document text
- http://igafnd.org/38598013897xmeu5.pdfIn PDF document text
- https://s3.amazonaws.com/gasodamuza/chrono_trigger_apk_obb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4489615/normal_5fcf30a395e97.pdfIn PDF document text
- https://mapavafamaluri.weebly.com/uploads/1/3/5/9/135999294/lubusofodom.pdfIn PDF document text
- https://s3.amazonaws.com/vokeri/vijumemaviradaforajorul.pdfIn PDF document text
- http://magnifioco.site/wirojatubobojugfkjm.pdfIn PDF document text
- http://bloodcraft.online/xurujarezibefiloc99ze.pdfIn PDF document text
- https://s3.amazonaws.com/vifusupegiza/84248763520.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487432/normal_6003681ea5d0a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cdf2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDF2 | 5256 bytes |
SHA-256: 8510391f8213bb1c38583ac483034c33d414ceb5cb0dd8a4a269ea9c9c7d9f40 |
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font_01_sfnt_off0000dfe4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFE4 | 10592 bytes |
SHA-256: 257b261f42a11f2ffa409bec4588845050808913bcd1f535e1de2143d7644750 |
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