MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to potentially compromised WordPress upload directories, suggesting an attempt to redirect users to malicious content or phishing sites. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a140decf2a3b0933be01451874d0dd88/8260510605.pdf
- http://idcla.net/upload/files/bibekojidejuwumedab.pdf
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/gh8cor73t2hjq5vb1so73iknfa/zekigopomudevi.pdf
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/6cc038e8882d4b5b985e4650a6bccf8e/71992703929.pdf
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/bcudulkqaoo7u641jbc6m0vgh4/nokojizulisuwob.pdf
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606f99742368a---93042172753.pdf
- https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/34831283690.pdf
- https://idd.no/ckfinder/userfiles/files/49967338646.pdf
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160982b23933f8---44789598376.pdf
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/a168ac0556c5d382bff21a384397c627/rivakowusup.pdf
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/ae3ee5f1baeb4fb7cdbce1519e58239e/kaduguvezos.pdf
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d255c9382d---84219410221.pdf
- http://klawiatury-foliowe.pl/_data/file/zirazixoxufusojo.pdf
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1610a0197269e3---83409708379.pdf
- http://neodentpetrosino.it/userfiles/files/25581913806.pdf
- http://dok-vo.ru/userfiles/file/32205351322.pdf
- https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/1727c0085d45016ccf27f189e8c65348/72491866923.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/402e0f1542984160c423e3f083aa2b61/25155795363.pdf
- https://sankaibearing.com/userfiles/files/11592896814.pdf
- https://psychotherapie-coeppicus.ch/userfiles/files/41933828630.pdf
- http://qhs1978.com/clients/d/dd/dd8db5a278a7ad55a2ada34b8e38ebcc/File/fadukaw.pdf
- http://rickgrisolia.com/userfiles/files/rupifonelizekap.pdf
- http://lobi.md/userfiles/file/fupujisulolavevawa.pdf
- https://chpcentre.com/files/file/69783164749.pdf
- http://njuhome.pl/ckfinder/userfiles/files/87901776921.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=what+are+the+3+curriculum+design+models
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00013665.binc2fe35b0bcff88c9d1759eb8e09beb7aee70972e5fb7dabe7082aef36020bdf7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13665 | 18116 bytes |
font_01_sfnt_off00016559.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16559 | 16792 bytes |
font_02_sfnt_off00017d70.bin61137949bf5ded2eeac37b047b431dac60d29c164017f85be116fcc3025b0e1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17D70 | 11080 bytes |
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