MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised WordPress sites utilizing the 'super-forms' plugin for file uploads. This pattern is indicative of a link farm designed to host malicious content or redirect users to phishing pages. The ML classifier and ClamAV detection strongly support the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/90b4k8h71l020vnkc03bh37pol/43733111031.pdf In PDF document text
- http://koryosushi.com/uploads/files/12046498110.pdfIn PDF document text
- http://compsult.net/userfiles/file/wiwaposemozutadadupazovu.pdfIn PDF document text
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/7ce04ae8733494941afe550e8c428862/39784776125.pdfIn PDF document text
- https://www.hemoroidklinigi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160824373790f8---46067445366.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/a848q75qb954k1dtcu393s3em3/7425084795.pdfIn PDF document text
- http://rauvuonsach.com/images/uploads/files/54302717864.pdfIn PDF document text
- http://agriturismoilnoceto.com/userfiles/files/29725390776.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/53c9f19956bf86da6550b19bfd3709c6/lajezunatibugofub.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160960e3597808---zipekuzebejosawefat.pdfIn PDF document text
- http://smartraoptics.com/fck_filemanager_upload/file/16159911221.pdfIn PDF document text
- http://scamps.biz/userfiles/file/76057419051.pdfIn PDF document text
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/7a17471e3fbd1d7fc39adfa55b99885a/98200652797.pdfIn PDF document text
- http://tatnhapkhau.com/ckfinder/userfiles/files/noxunibelatubapun.pdfIn PDF document text
- https://laughteronlineuniversity.com/images/upload/files/39885612697.pdfIn PDF document text
- https://www.sensiblemachines.com/ckfinder/core/connector/php/files/91795492005.pdfIn PDF document text
- https://noihoithanhtuan.com/media/ftp/file/kobudu.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086c96d3a22c---83766859211.pdfIn PDF document text
- http://stuarteisbrucklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/witixudof.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ac8cb72322c---subawabikimute.pdfIn PDF document text
- https://parc-hotel.info/file/dixulapif.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/q5bt4oe9are6u624gsf51diski/titavoredigevodanokegem.pdfIn PDF document text
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/94ee44f926756b2e35620bdd9e5caa3e/28817303599.pdfIn PDF document text
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c48318ab52---15701526163.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=grulla+de+papel+origami+facil+tutorialPDF 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_off0000e21a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE21A | 17912 bytes |
SHA-256: 129bf02c06f4b5c095a2ef7a2aa939c979729c8f43e5b79ac26ef1afcd26fcaf |
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font_01_sfnt_off00010f31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F31 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012748.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12748 | 10828 bytes |
SHA-256: 71666600f434d0635152bb3763bfdbf1cc360ea1a3da48abb4901486b37de465 |
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