MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code or redirecting users. The presence of multiple links pointing to a compromised WordPress upload directory and other unknown domains suggests a link farm designed to obscure the ultimate destination, likely a phishing or malware distribution site. The ClamAV detection and ML classifier further support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/29c1bb4952fdc67b2777d3c986eeebf3/40929921336.pdf In PDF document text
- https://marcel.myagenda.cz/pictures/editor/files/11419148269.pdfIn PDF document text
- http://zs-oilfieldequip.ru/d/files/xidinizotedeki.pdfIn PDF document text
- http://meble-tk.pl/userfiles/file/23707398875.pdfIn PDF document text
- http://a2kat.ru/userfiles/file/kifagerapugumidedewo.pdfIn PDF document text
- http://slkuang.com/v15/Upload/file/20219222316487357.pdfIn PDF document text
- http://hotspot-usa.com/js/upload/files/wonigeboxovenupi.pdfIn PDF document text
- http://telekommarketing.com/firme_data/files/buredo.pdfIn PDF document text
- http://www.huntsvillepr.com/files/files/59813654151.pdfIn PDF document text
- http://caminodesantiagoenmoto.com/assets/ckfinder/core/connector/php/uploads/files/vamarafev.pdfIn PDF document text
- https://atlantidegattico.it/file/90959393824.pdfIn PDF document text
- https://thehouseconcert.com/ckfinder/userfiles/files/2987476792.pdfIn PDF document text
- https://rajaunited.com/contents/files/lisetimegogexuxoguzodigot.pdfIn PDF document text
- http://baove24h.info/upload/files/48806537321.pdfIn PDF document text
- https://likeevent.it/writable/public/userfiles/file/jadanituzivusamebu.pdfIn PDF document text
- http://cameragiaminh.com/upload/files/nodadabopano.pdfIn PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/c5e72a4e91d70ed22f07692254cae64d/35034059619.pdfIn PDF document text
- http://radiosalsa.fr/php/rs/filesupload/file/21129240263.pdfIn PDF document text
- https://ptogel1.com/contents/files/zuzodenobegodipogav.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614dfcece43fa---gigunufobopotopagodi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=continuity+of+parks+summaryPDF 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_off0000d333.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD333 | 19092 bytes |
SHA-256: 433b96cf8187f0f13a323270eae8617f59225e19c271adf2bb1d7ecface1d4c0 |
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font_01_sfnt_off0001049a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1049A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011cb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CB1 | 10680 bytes |
SHA-256: bbc4d6bcf4ad0a44f1dfa5a43bd6c2e9d333493f5c6e52bfd879d768b2585723 |
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