MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous URLs, many hosted on compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were extracted, the structure and URL patterns are consistent with a malicious PDF designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://voziky-paletove.cz/mctree.cz/pictures/other/files/wozudoto.pdf In PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16078cb6d4c192---30029971973.pdfIn PDF document text
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/akfomqmau69ri6u750otkei622/75933298036.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/161026b0caf8ca---7804416565.pdfIn PDF document text
- http://favorit.pl/userfiles/file/divumar.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/n7k6ea64h7ath8uc81f9iu8ic7/36866420711.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/16112c53f660d0---jipegunov.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/a9f6c1ccabc84b7b870341ae835b2720/62090915171.pdfIn PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160772831663b5---67697072455.pdfIn PDF document text
- https://et-auditing.com/userfiles/files/43627908735.pdfIn PDF document text
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608674a0e9ae6---koxar.pdfIn PDF document text
- http://jyjwqj.com/uploadfile/file///2021053002490088.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/16095c8f3a809b---2820244136.pdfIn PDF document text
- https://midasspa.com/ckfinder/userfiles/files/47215207671.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/16eaqe4os4hn1iia0sj6erl7f7/lixojosajin.pdfIn PDF document text
- http://rld-carbon.ru/file/65267420743.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/3c8iem017eouomevtj4geqqc6g/rejewirasafo.pdfIn PDF document text
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a101e4d5ac---xofarixibesegav.pdfIn PDF document text
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/1716fa833a852aef6e19115fcfd8ace0/60986468302.pdfIn PDF document text
- http://happyland-nsk.net/ckfinder/userfiles/files/3247180545.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/96b1i2kpc9ammp83hjftnt44di/vofinixib.pdfIn PDF document text
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/mc0kmm7dmom2cgq23iplmd7kb1/55118639074.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afd2b8c6446---nipojalegot.pdfIn PDF document text
- http://perksys.com/userfiles/file/suzevetilakurevelu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=what+is+the+lewis+structure+of+h2so4PDF link annotation
- 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_off0000f5ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5AE | 17744 bytes |
SHA-256: 58877828e8571b9639790ae69de68f1a33bf74347bdcd8acb430a42946d56245 |
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font_01_sfnt_off000124cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013ce2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CE2 | 10708 bytes |
SHA-256: 25c5fff5db23c458b291297218428d560b4d5267ad5cf22baea4de1341d2248e |
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