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 upload directories, as indicated by the 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics. The ML classifier and ClamAV also flagged this file as malicious, specifically as a phishing trojan. The primary purpose appears to be redirecting users to potentially malicious content hosted on these compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9834
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://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf2dd1bcc6f---rizuzuxonexosudemim.pdf In PDF document text
- http://canphantich.net/Images_upload/files/gunudelanosewababenuku.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609ea659de85c---4507520357.pdfIn PDF document text
- https://johanbjerke.se/userfiles/file/dizukil.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16115acf5efb0c---soludorukiwup.pdfIn PDF document text
- https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/61ec8cd084efac3f96ea058fa78a4ba5/bosekesesasomokemava.pdfIn PDF document text
- http://czdashan.cn/uploadfile/file/2021050703104773499.pdfIn PDF document text
- http://bandenplaats.nl/cmsimages/file/wavixo.pdfIn PDF document text
- http://www.anclupnapoli.it/userfiles/file/4081192230.pdfIn PDF document text
- http://wwsm-hk.com/files/file/36177738301.pdfIn PDF document text
- http://na3.it/misc/file/guvatademolefuzowevu.pdfIn PDF document text
- https://derey.nl/app/webroot/files/userfiles/files/37760823242.pdfIn PDF document text
- https://espiber.cl/images/uploadedimages/file/95604270160.pdfIn PDF document text
- http://af.ssla.ru/images/fornews/files/34123629846.pdfIn PDF document text
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/dd3c2dfce1b56051e4987ff873262867/88259513256.pdfIn PDF document text
- http://augustaelectricalwork.com/editorData/file/xeferujabo.pdfIn PDF document text
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb7a36a076---dokos.pdfIn PDF document text
- http://fotobambagiotti.it/userfiles/files/37486171436.pdfIn PDF document text
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/0482ec2c72dcb54fe8f6ffd7dae58b2f/4982121443.pdfIn PDF document text
- http://womenshealthcarenp.com/clients/2/29/29a32d4da59f0b4eaa4573e1354aeabc/File/jekipugasopewozajovedep.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607105ecc8821---46833022293.pdfIn PDF document text
- https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/fa4f730234d13b7964eb847ff32804be/53449235678.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b10d11a1f---vuzubizivowewodoxirovutat.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/mk3t9ki8llrolgust0qvla4ol7/poxakiriwa.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160719421785e8---34909871822.pdfIn PDF document text
- https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/6e3e8cfd751000b061b6db7e9e853f42/42635195720.pdfIn PDF document text
- https://szabobuszrendeles.hu/files/files/nalujuxemosawovekakurali.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=line+6+spider+v+20+manualPDF 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_off0000df13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF13 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f72a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF72A | 10868 bytes |
SHA-256: 00444228c08464c212e7d28ec028e332913089d6a8294ff27ce1268a82e6937f |
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font_02_sfnt_off00011042.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11042 | 19240 bytes |
SHA-256: 260c122bc513ae34f312494358c1d7920f763affcb50e4e3d6e11b4733e85aad |
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