MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document that functions as a link farm, directing users to various compromised WordPress sites. These sites host further malicious PDFs, indicating a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/94ac770c144014a49a1c35ce26eb28b3/turudetudor.pdf In PDF document text
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/rec0c50a5bbm7mal397iee7h9d/gelike.pdfIn PDF document text
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d95a06f03e3---munezapesaf.pdfIn PDF document text
- http://safarang.com/basefile/files/vifibaj.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607635fc04884---28608736834.pdfIn PDF document text
- http://vivatbacchus.hu/files/file/tokojekaxopalufun.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6864c6668d---62250025124.pdfIn PDF document text
- http://amandatravel.com/userfiles/file/wituxatuvetimogobunazusoz.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160816caf4bec9---57065073667.pdfIn PDF document text
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0e1f86752a---nawimu.pdfIn PDF document text
- http://suamayin.biz/userfiles/file/megizenitafoxidumux.pdfIn PDF document text
- http://kistours.hu/userfiles/file/sutosibevivudediz.pdfIn PDF document text
- http://myjobcareer.net/userfiles/file/2021061306090473499.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609aee870d0f0---74992068399.pdfIn PDF document text
- http://paillasse.hu/userfiles/file/fukenalineluxexefoguzu.pdfIn PDF document text
- http://provia-events.de/pics/fotos/1/file/43825369743.pdfIn PDF document text
- https://tavio.ru/files/file/85075081548.pdfIn PDF document text
- http://yule-sign.com/upload/editor/file/20210704070059.pdfIn PDF document text
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/givoa08hp9aditp07llgne5709/davaponazolilu.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/26ad72e874e1ed80b0aa1af57b393499/pekekanekipametakozezuxil.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608933df59464---59237559099.pdfIn PDF document text
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/45ef6dc774da9d40a605317e04bbf06d/46953061896.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a763035ad2e---jufofepusorixumajoruteso.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=northern+pintail+duckPDF 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_off0000ee31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE31 | 17060 bytes |
SHA-256: f1947dbaf07866813ac36c84b31f0f40df5481a3a727af54ba5a7159f6920f7a |
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font_01_sfnt_off00011aa0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AA0 | 10612 bytes |
SHA-256: f702a5ee180bfa96b274840571a1de629d056356e80d451dc80e0a76113a4076 |
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font_02_sfnt_off000132c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132C2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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