MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure. It contains a large number of external links, many pointing to other PDFs, suggesting a link farm or SEO manipulation tactic. The primary URL, 'https://leonvi.ru/award?keyword=fur+elise+piano+pdf+easy', indicates a deceptive attempt to attract users with a seemingly relevant search result, likely leading to further malicious content.
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://leonvi.ru/award?keyword=fur+elise+piano+pdf+easy PDF link annotation
- https://static.s123-cdn-static.com/uploads/4482405/normal_5fee1875a4bec.pdfIn PDF document text
- https://wajumasilikat.weebly.com/uploads/1/3/4/1/134109139/giradozuxusibo_babitixulij.pdfIn PDF document text
- http://drive4mclaneaustell.com/movomyevzl.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366385/normal_5fee3937896a5.pdfIn PDF document text
- https://warajepujevofi.weebly.com/uploads/1/3/1/8/131857140/fiwojosaguvekafibuja.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4461202/normal_6005dce1dc8fc.pdfIn PDF document text
- http://lenudes.com/dialogos_sobre_fisica_atomicaff8lc.pdfIn PDF document text
- http://raftgjgr.space/2806024497eq681.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381543/normal_606163541d198.pdfIn PDF document text
- https://wufipalowev.weebly.com/uploads/1/3/4/5/134595621/poxetabufiwalad.pdfIn PDF document text
- https://nililekekikare.weebly.com/uploads/1/3/0/7/130739967/zazimok.pdfIn PDF document text
- https://gapidekejoz.weebly.com/uploads/1/3/4/8/134876705/496df9a.pdfIn PDF document text
- https://wopixidotawus.weebly.com/uploads/1/3/4/5/134506387/buviziz.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4365598/normal_5ff213efa5f58.pdfIn PDF document text
- http://my-favshop.online/386385499797z2hl.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4447087/normal_5ff20a84b332a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380384/normal_606242e01adb4.pdfIn PDF document text
- http://constructionhouse.info/xeroso824ef.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419412/normal_6046db782c0e5.pdfIn PDF document text
- http://mp4.design/7345533344484kl8.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_off0000e50a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE50A | 5092 bytes |
SHA-256: aa8dd292df5a72dec98c3ae06d428e769cca6987bdc5690b48b2b678c84b3839 |
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font_01_sfnt_off0000f676.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF676 | 12056 bytes |
SHA-256: ff74748a8d4d1b2791b99d4c2d9a1506002f674c7bf4030cdbff5669189f45c0 |
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