MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware distribution. The embedded JavaScript is a common technique for initiating malicious actions within PDF documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16082990e31c50---45532210452.pdf In PDF document text
- https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/e38b90024f2d78b703909d6d463f748e/nitanifegi.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16080606cb95fa---fanejebebafojawomevife.pdfIn PDF document text
- http://dansecyr.ca/pdf/file/fofof.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607c8a6612f49---16689856394.pdfIn PDF document text
- http://speed-r.com/js/upload/files/tufoxesabeko.pdfIn PDF document text
- https://perfecthospitals.org/ckfinder/userfiles/files/kimuxojuxijevuwenidaxanek.pdfIn PDF document text
- http://cpspcb.com/uploads/files/7783233531.pdfIn PDF document text
- http://dothi.info/images/files/56466443876.pdfIn PDF document text
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071bf1c8353d---16424443683.pdfIn PDF document text
- https://kcharp.com/ckfinder/userfiles/files/55718716885.pdfIn PDF document text
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/fb783cf5906d7d91fabc2161813d8ce1/6863842980.pdfIn PDF document text
- https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/87606e2f75bf4e3d6f16533b6c5832d5/tavagikuperama.pdfIn PDF document text
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/5fmdt3bsgmpdb39c8c0lt4kvm9/30872577610.pdfIn PDF document text
- http://kstarsmall.net/userfiles/file///buwepekuxanuninan.pdfIn PDF document text
- http://pet.nfe.go.th/m_site/ckfinder/userfiles/files/89750560398.pdfIn PDF document text
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c2c59cae979---wudomufuvatu.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/u5kpql4v34msck3js23645blhd/90601480276.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160788fd821336---fulinaretikusevaxupulotub.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c915581c00c---wutovorewu.pdfIn PDF document text
- https://abugfreemind.com/userfiles/file/22432893310.pdfIn PDF document text
- http://thanhlapcongtykiengiang.com/upload/ck/files/56583224176.pdfIn PDF document text
- https://registracijakoncar.com/webroot/js/ckfinder/userfiles/files/vevoludubozojaferofal.pdfIn PDF document text
- https://coimbatorepressclub.com/FCKeditor/userfiles/file/35762364175.pdfIn PDF document text
- https://yocarbroker.com/upload/ckfinder/files/13861087274.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/2042fe9bf0c4dd47f19a473f94c4769a/80376263166.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=training+in+obstetrics+and+gynaecology+the+essential+curriculum+pdfPDF 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_off0000dedd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEDD | 17928 bytes |
SHA-256: b0ff0e37bf8342a02a8f63f6ed018611c056cf4642f9974d8df0d350ed610ba5 |
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font_01_sfnt_off00010d72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D72 | 11384 bytes |
SHA-256: 0736d7f869e8b4761d396e4be27c246f297a308bbf26337eb450623d4d73038c |
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font_02_sfnt_off000127af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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