MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, directing users to multiple compromised WordPress upload directories and other disposable hosting sites. The presence of 'utm_term' parameters suggests an attempt to track user engagement with potentially malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://queure.ru/uplcv?utm_term=sadness+and+sorrow+guitar+tab+pdf PDF link annotation
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9f55099ca---notizan.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608b1e8bb2972---nokalojopegu.pdfIn PDF document text
- http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/160c62aba65e28---12490371572.pdfIn PDF document text
- https://tavio.ru/files/file/75033784928.pdfIn PDF document text
- http://anhopphat.com/uploads/files/67805367833.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d522b7feae---tonadegifukapu.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160b28b32b03e0---mivezekuxoli.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e7fa5ddb0---39235997527.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be0a628ecad---mekisuboriber.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16074cbc9c2f35---28915219069.pdfIn PDF document text
- http://adams-gold.ru/archive/image/file/41681906570.pdfIn PDF document text
- http://busankid.com/webfiles/board/file/%5C/40715951679.pdfIn PDF document text
- http://atenngo.com/admin/sites/site/documents/44046612182.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16091ba953268b---futexav.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16072111abf5b8---39846107566.pdfIn PDF document text
- http://skiflogistics.ru/userfiles/file/84360564569.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1609c41ab67aca---dajik.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://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_off00029e14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x29E14 | 5512 bytes |
SHA-256: 97f1972b4b6bb88b57683d1d1504410aa5e6cbac71efd330e87b7989544d6cbf |
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font_01_sfnt_off0002b0f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2B0F0 | 11952 bytes |
SHA-256: f94885d623c17ef5506b3c318466b5ac9293988bcee808052f0ffddcb3bd5772 |
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