MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or are hosted on disposable domains, 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 0.9990
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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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://archism.ru/uplcv?utm_term=non+confidentiality+agreement PDF link annotation
- http://kimbuunguyen.com/uploads/userfiles/file/sexozedelafosilikojarak.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/381456724dc8a18b4cd43fa21a1588c8/purulowawamoxugodin.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a98dc04992---xatekobewitojoli.pdfIn PDF document text
- http://khanaphatgroup.com/UserFiles/file/netiwudimukojemowad.pdfIn PDF document text
- https://angkorphotographyguide.com/userfiles/file/senapiko.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/f5b375cb42d09f55325ec3830c32ac2a/fibilixukifowanes.pdfIn PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e1bc8b89032---39199281789.pdfIn PDF document text
- http://lamelove-zakryti.cz/userfiles/file/silesosusixojula.pdfIn PDF document text
- https://atcotourismtravel.com/userfiles/file/werinulofenunuzigu.pdfIn PDF document text
- http://bpsstudio.hu/uploads/8961155811.pdfIn PDF document text
- http://denis-lefebvre-services.com/fichiers/file/dewamefeviwirim.pdfIn PDF document text
- http://gancza.pl/userfiles/file/fawesebu.pdfIn PDF document text
- http://moreit.ch/productinfo/file/3563045306.pdfIn PDF document text
- http://fygl.net/uploads/file/160934301323.pdfIn PDF document text
- http://bukvoznaika.ru/ckfinder/userfiles/files/dokujugigubetalu.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b446b14f5e9---87374437254.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607ec7a7ad05b---vagijagofaj.pdfIn PDF document text
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/a0613d077367a2678844f08cbdfe4f08/57187561786.pdfIn PDF document text
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/76ba34d0b30dab0b5048eabdb2007ffd/40010033162.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_off0000ffb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFB1 | 17288 bytes |
SHA-256: 321d809534897d923bc306511628c785ebfc9b35dec8690d07fa0463ad335f20 |
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font_01_sfnt_off00012cef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CEF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014506.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14506 | 10740 bytes |
SHA-256: 07508818e5238bb0d14273a0f9fe237c4c9af6c4da98f34c29bd286e1c30df6e |
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