MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The ML classifier and ClamAV detection strongly indicate malicious intent, classifying this PDF as a phishing or trojan variant. The document contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting it functions as a link farm to distribute further malicious content or phish for credentials. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to improve search engine ranking for malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/oi8cirmouvhtpcqi56slemcmnj/mupudemoxivukez.pdf In PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/a6589f59d689f3280d7e20806d2f8c6d/nenakefoluxikifomoda.pdfIn PDF document text
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/epgtmf43bfk773vd4qh976sh8j/fuzoxojame.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608fd1d247bed---xusowotuxegibuz.pdfIn PDF document text
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/d4631d6698c6905b77f44bb94b4a3414/zugujejoxawejavosusov.pdfIn PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/83fe40248b30fd94f47934e02222f9ca/nixaxokolobuwevaga.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/8408c2eb0c2223fa7c10ed096275dd89/86551338144.pdfIn PDF document text
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/6e85udskf8ie65ig8dbfdgoe51/pefewuvomaliriralexadosi.pdfIn PDF document text
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/csjj586v038gtnqrp5a8ackirv/81166999101.pdfIn PDF document text
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/892ec1d9e5684f180e83b3eacf15b9b7/bubalovuwetik.pdfIn PDF document text
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160964490ca9cc---37061730534.pdfIn PDF document text
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/5295e1a98a258588e5e20ae9587e282c/teliw.pdfIn PDF document text
- http://anhuifan.com/upload_fck/file/2021-4-30/20210430074820909285.pdfIn PDF document text
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/86064828396.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607a7937ad6d5---pamuzekenam.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=performrx+prior+authorization+form+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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c78e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC78E | 5188 bytes |
SHA-256: f17a32a597c273319cf23af67a8afeefb3a9d77e04575c9ca9f5910f608492da |
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font_01_sfnt_off0000d91a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD91A | 10108 bytes |
SHA-256: 0e23a18ac1b4d761693ff007b379d74a4a240b3ed0f79406943100d37cb0bdce |
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