MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains heuristics indicating it is part of an SEO link farm and uses an image lure to redirect users to a phishing URL. The embedded URL `https://mezovuduw.ru/strik?utm_term=total+quality+management+definition+by+authors` is identified as a redirector, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://mezovuduw.ru/strik?utm_term=total+quality+management+definition+by+authors PDF link annotation
- https://cdn-cms.f-static.net/uploads/4404520/normal_603debb870497.pdfIn PDF document text
- https://cdn.sqhk.co/fenazijeguk/ja6gdiF/pugodorujipodelaradusizu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450640/normal_5fd34deda796e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4455198/normal_5fcdb2210b760.pdfIn PDF document text
- https://cdn.sqhk.co/dixejetafap/zighh8m/fomopuwiw.pdfIn PDF document text
- https://cdn.sqhk.co/letarezetap/PibLjcP/clothes_worksheets_clipart.pdfIn PDF document text
- http://zumufufup.sportsontheweb.net/degegaro.pdfIn PDF document text
- https://cdn.sqhk.co/valibekarofu/geUgjjX/regusovenu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446034/normal_600bdc9eb0983.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402944/normal_600d354eab860.pdfIn PDF document text
- http://jawixogu.mygamesonline.org/38211545692.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://dowuvoduwitovos.atwebpages.com/75038583498.pdfIn PDF document text
- https://s3.amazonaws.com/wutisigila/vegokigog.pdfIn PDF document text
- https://6d4cd3b7-91e9-43ac-92b9-205473f1e50d.filesusr.com/ugd/28146e_77bff2ebe5a7489aabc2e57d9f0f4abb.pdf?index=trueIn PDF document text
- http://jomupaz.myartsonline.com/denuxevokidajagenoje.pdfIn PDF document text
- https://s3.amazonaws.com/dadupawo/human_capital_planning_template.pdfIn PDF document text
- https://s3.amazonaws.com/votuweroxigezog/cbt_nuggets_ccna_200-_125.pdfIn PDF document text
- https://s3.amazonaws.com/gelawiweza/59420294358.pdfIn PDF document text
- https://141ebdc9-a3c9-4c6d-b8f9-366dbf139dec.filesusr.com/ugd/46bfb0_163878cda4f643bb9f237b2c4487f9c8.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/genijusemu/23128078179.pdfIn PDF document text
- https://s3.amazonaws.com/tojabixefova/food_allergen_sheets_uk.pdfIn PDF document text
- https://s3.amazonaws.com/tuxalowafokuvo/10484344966.pdfIn PDF document text
- https://s3.amazonaws.com/falejogajir/chaise_haute_bb_en_bois_transformable.pdfIn 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_off0000f475.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF475 | 5640 bytes |
SHA-256: 4453ec762bd5932ac6982ce1cf1b8f9aa2dc45cfab38124f40604a500f707636 |
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font_01_sfnt_off00010777.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10777 | 10696 bytes |
SHA-256: c36716cb544f6c2fdeabba22549ecf0831d613082c326cba6e1f916f0888505c |
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