MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://ketchas.ru/uplcv?utm_term=best+android+app+for+drawing+comics PDF link annotation
- http://bellina.pl/userfiles/file/59659600787.pdfIn PDF document text
- http://eau-msu.ru/ckfinder/userfiles/files/nefavegexovekekurotut.pdfIn PDF document text
- http://manchetenewsms.com.br/ckfinder/userfiles/files/60487663027.pdfIn PDF document text
- http://xn--oy2b19v1mb1yi.com/userfiles/file/60321250195.pdfIn PDF document text
- http://king-tableware.com/uploads/files/202109170216234372.pdfIn PDF document text
- https://cs-nippon-cp.com/mailmagazine/upload/files/jixidodenufokejoweloj.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/32184431535.pdfIn PDF document text
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/d8b89476cf64127ede9c5db622ec0ec4/siretobenavijezilesisofub.pdfIn PDF document text
- http://artgrafika.cz/userfiles/file/94737375390.pdfIn PDF document text
- https://koratspring.com/upload/file/parawuvu.pdfIn PDF document text
- http://rspon.pl/images/wyswig_images/file/22563262681.pdfIn PDF document text
- https://sukienmiennam.com/userupload/files/lepajefizazumikawuto.pdfIn PDF document text
- https://hoya.hr/UserFiles/file/fesefovonavupozulurupa.pdfIn PDF document text
- https://tunguoilon.tunhua.vn/ipp/images/uploads/files/felediwobedobuwadoju.pdfIn PDF document text
- https://strategieb2b.ca/userfiles/file/nikilimoguxesilinowexe.pdfIn PDF document text
- http://prepearl.com/uploadsfile/569754617.pdfIn PDF document text
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/16136c7282ca8a---25632898533.pdfIn PDF document text
- https://zlataraburmevuckovic.com/files/71183721949.pdfIn PDF document text
- http://2446665a.ru/ckfinder/userfiles/files/tonelujubetibubujiraf.pdfIn PDF document text
- https://kratky.eu/files/file/39329349789.pdfIn PDF document text
- http://24hnbc.com/assets/ckfinder/core/connector/php/uploads/files/46300092725.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7f535171a---44382589071.pdfIn PDF document text
- https://hotelangela.hu/userfiles/file/saletubabejeja.pdfIn PDF document text
- https://www.nhabe.com.vn/ckfinder/userfiles/files/27431550456.pdfIn PDF document text
- http://hoya889.com/upfile/files/20210904123508.pdfIn PDF document text
- http://xn--989ap7r0xbd5x.com/upload/fckeditor/file/3846466594.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c58f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC58F | 11056 bytes |
SHA-256: c12e09492ad63118e0aae8fc7c0df92075ad151a16f524fc0fc69696827a0243 |
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font_01_sfnt_off0000df31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF31 | 16728 bytes |
SHA-256: 392399c09c5fe54d3ebc580d40820ee99a565fe964490f0aead9c76abe7056a8 |
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font_02_sfnt_off00010a3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A3B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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