MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm pointing to multiple compromised WordPress sites, which in turn host other PDF files. This pattern is indicative of a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609849ab05cb8---wezejalozatevigeboven.pdf
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cccd3617f1---60542525030.pdf
- https://amadesafar.ir/basefile/amadesafarir/files/piwepujizivujabuvome.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b41de335562---vawakikiwekipidolage.pdf
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/ut458cr2tgo7n9ojutkfaep3ju/58751743257.pdf
- https://vestol.bg/files/file/23329051707.pdf
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bca7e9443b6---lexodisogebibegeno.pdf
- http://alemotta.com/resources/original/file/86399274215.pdf
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/cedcf31b77310d723149dd342748c14a/66562662335.pdf
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/bkoc6mdhr962j8ckjvf2ohlc5f/40034396876.pdf
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/74b2de7b6030f10187920c2c26072636/zavajoxir.pdf
- https://keluargamimpi2.com/contents//files/bosorenilasux.pdf
- http://taxicityplus.ru/userfiles/file/gamezelabotomuw.pdf
- http://bong-dem-long.org/upload/editor/files/nopidobiku.pdf
- http://smolensk-bakaleya.ru/userfiles/file/32896679193.pdf
- http://www.alquilerbares.com.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1607e6c68f2b5b---20783542526.pdf
- http://crm333.com/documentos/file/89422848182.pdf
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609f97b6137af---lesalunasaferupatuba.pdf
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acafe0c2dce---57848435530.pdf
- http://kotolantopeni.cz/file/tasezuxuvijesatubomif.pdf
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160816821b0ad5---5053286587.pdf
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/elb4di5emehnv237u22t9qp0vo/pokenesanuvanafo.pdf
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16092d314f11ff---kopas.pdf
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/d3a1b409e37264d3f59e47ce24d9b13f/zusagekimezu.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=a+word+for+a+strong+woman
- http://e1pl2.nazwa.pl/busy/fotki/file/rosidabafe.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f46e.bin99b8f366b1ec6103a2581f383165191073abc18e0f421ac44dfde9fe3d1667e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF46E | 10496 bytes |
font_01_sfnt_off00010c1e.bin8fec36c02adf729acb4752b6ce2707249d25fb80bf6f9cc0a86468d1119b7da8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C1E | 16960 bytes |
font_02_sfnt_off00013844.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13844 | 16792 bytes |
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