MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous URLs pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm for phishing or malware distribution. The PDF structure and embedded URLs are consistent with techniques used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://smidgel.ru/uplcv?utm_term=list+of+4+letter+words+that+start+with+a PDF link annotation
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/bj9hajijh1jg0an4hg24a092df/kasedudawiluravokaxexebin.pdfIn PDF document text
- https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/2ff32ca166d8cd46087de888c3491428/81250692521.pdfIn PDF document text
- http://cesishotel.lv/res/wysiwyg/file/karuwodosinuwexadok.pdfIn PDF document text
- http://fxmeat.com/upload/file/769e0206e8bad5705b01c2da45c71be7.pdfIn PDF document text
- http://poltinka.ru/userfiles/file/30594434942.pdfIn PDF document text
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608d1536e6090---dinubiwaxaxumojepuwuve.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/tuzaviw.pdfIn PDF document text
- http://kraski-chernila.ru/resources/file/28487233861.pdfIn PDF document text
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ad94c7980c8---87303244767.pdfIn PDF document text
- http://broadviewlibrary.org/uploaded_bvlib/file/kugowu.pdfIn PDF document text
- http://autavrabek.cz/obrazky/file/vezok.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/68b4b5cccf18252b2f2447c729c829b7/fidezusumukopog.pdfIn PDF document text
- http://limuzine.md/userfiles/file/90190363417.pdfIn PDF document text
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/i4pr5b5obd9uv5hv3sb9aicjf3/gixikuxatova.pdfIn PDF document text
- https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/a4a4cd50601f0451639dbdb01bbe1ca5/nimoseviwunex.pdfIn PDF document text
- http://yer-krasnodar.ru/ckfinder/userfiles/files/fodero.pdfIn PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/k7jkeosscks75h9uj5efpl9q8e/17070089166.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/30f2f7fabb7e3de9f583be8112a13fcd/jefuserufapalononudep.pdfIn PDF document text
- 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_off00010b74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B74 | 15900 bytes |
SHA-256: 3a6e15e94dba6fa8b62c6cfbf11d369cae7ce820351c4b1fd4f5035662fdfac3 |
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font_01_sfnt_off00013420.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13420 | 10468 bytes |
SHA-256: f964d90b59df3084d99fcddbcf0b7d47b3bc3436cae1884a7f599bb0db63f300 |
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font_02_sfnt_off00014c29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C29 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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