MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm used for phishing or malware distribution. The PDF structure and link farm characteristics align with common tactics for luring users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9927
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://kondicionery-ivanteevka.ru/upload_picture/file/97548299838.pdf In PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/e59a625066b1c3d0c85531b751ec22e2/pirebezirolaxopixosini.pdfIn PDF document text
- http://ahs1978hounds.com/clients/0/09/09313dc2b2b2138818c22350edca9cf7/File/loragilib.pdfIn PDF document text
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160967f25cd3b9---sifufibopigisewaba.pdfIn PDF document text
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/q87hgskjnmv7mlrs7h4ehvmv1a/36523896280.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbd097f0fcd---42445430421.pdfIn PDF document text
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/ee9b15ca2399dece9a614925f7a8e749/katuwogur.pdfIn PDF document text
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607f05bce7276---20839766681.pdfIn PDF document text
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3813ab7c57---46107713677.pdfIn PDF document text
- https://champion-osk.pl/userfiles/file/25939458092.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098c68262804---25125072555.pdfIn PDF document text
- http://yearbookplus.com/uploads/ckfinder/files/vasevujinivafetunerekoli.pdfIn PDF document text
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/3eb0457ec3af00f23861b1d673689787/2075779028.pdfIn PDF document text
- http://ankamet.com/userfiles/file/903985910.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160764b260cd0d---dojuxoxokegexeruxigegu.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c314b2dbe7c---fubujikaletojulujeka.pdfIn PDF document text
- https://landbondcorten.com/attachment/file/242d2c8227b766f689ef62911dff083c.pdfIn PDF document text
- http://onishi-kyosendo.jp/archive/64627993828.pdfIn PDF document text
- http://chupanhnoithat.vn/upload/files/fepunenixogavazemutib.pdfIn PDF document text
- http://dbhsreunion.com/clients/21010/File/93416352678.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/tru9t0sgrb6eaacfjti5v9ll75/33867018256.pdfIn PDF document text
- http://niestachow.pl/data/aktualnosci_imgs/file/rusuw.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1608845498430f---darafifitekadujedetir.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160cf22fc5cbc4---muzivawexo.pdfIn PDF document text
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608a3f7e1d4a2---81501100523.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/460851da5c798ddb60dda03185e3f260/17596470735.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/mq79u5psa3k50ahbmfoc8elo8o/61728161246.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=facilities+and+equipment+of+arnis+pdfPDF 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_off00010423.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10423 | 11004 bytes |
SHA-256: 91a4b079614fcbebf8c6fc3b7731f5fa1ad98dd1846bcbc14eb647e49876a98a |
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font_01_sfnt_off00011d70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D70 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013582.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13582 | 16568 bytes |
SHA-256: 4ab430d432220fec4e4752b8f18f59e14eb580a0854b7c6dbbdbfc4ef8c79b7c |
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