MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a link farm designed to redirect users. The presence of these links indicates an attempt to lead users to malicious content, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609886d5e0fc3---5585002822.pdf In PDF document text
- http://bannermaul.com/userData/board/file/tosobojarim.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d16f749f20---zenemijuresemuxorogitazi.pdfIn PDF document text
- http://wenxuezj.com/images/File/96488331975.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dc3a540a3c5---52113981261.pdfIn PDF document text
- http://vodnik48.ru/content/file/83538221855.pdfIn PDF document text
- http://ggmtc.net/userfiles/files/sanonadiju.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0ca78c503f---kanawekekebunowivisevi.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/tunegel.pdfIn PDF document text
- https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/206e6d8615ac7bf8f9e86eea3fbc591d/lunaxetewogomusalavupupop.pdfIn PDF document text
- https://canionglobal.com/FCKeditor/file/8570858545.pdfIn PDF document text
- https://china-glass-mosaic.com/userfiles/files/20210611_104204.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16075a7e8e1b5b---rakeg.pdfIn PDF document text
- http://aps-mes.com/files/file/53991600650.pdfIn PDF document text
- https://geneolock.com/locktactyuma/userfiles/file/98036420189.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8829a4069---70769559688.pdfIn PDF document text
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160aa9ca702313---84135358761.pdfIn PDF document text
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16070e7e9d9d9d---54593485563.pdfIn PDF document text
- http://akkoryazilim.com/userfiles/file/83459814820.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d991dca601---gitopudawu.pdfIn PDF document text
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/68e129f90b90ff9ecd5b133e3a00aea4/zafagon.pdfIn PDF document text
- https://ottenburger.com/userfiles/file/52184273295.pdfIn PDF document text
- http://pomocnaukowa.net/Upload/file/51689713858.pdfIn PDF document text
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/f674ne3o1milun20c165nokjsd/nalubasonisadumobeguweg.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=horse+boarding+costPDF 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_off0000f1e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000109f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109F5 | 16684 bytes |
SHA-256: 8beef0e36e53f2a390aac45ba6189c11b4ea15e9dae15c1871af4841f8018fb9 |
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font_02_sfnt_off00013500.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13500 | 10628 bytes |
SHA-256: fc17c79d3b42834cfa1472fab99601c27fb694e12ffa9ea9f0eeaae643403ace |
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