MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as a phishing trojan. While no scripts were explicitly extracted, the presence of embedded URLs and the overall structure point towards the document acting as a lure to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://wastran.ru/uplcv?utm_term=civil+engineer+resignation+letter+format+pdf PDF link annotation
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160763f664d86b---wolunevalikavozuti.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baf2b9ecd5e---64004810373.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16083cc1b79cf9---41131402581.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1a51cfdd5---25974563238.pdfIn PDF document text
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bd6d5afa1b9fb8821da955fba8a96d5f/laminimapaxinewelupavuvu.pdfIn PDF document text
- http://dermalab.pl/userfiles/file/lizejasisawifimopekajape.pdfIn PDF document text
- http://say-international.eu/userfiles/file/17036081079.pdfIn PDF document text
- http://tamker.hu/userfiles/file/duxuvunakuvufajaxexinikot.pdfIn PDF document text
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/5a1687c29533728d5cfc6a55905abd45/pevojewawiraboga.pdfIn PDF document text
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa89fb5793e---sadizobis.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/1608296e2db204---80541937429.pdfIn PDF document text
- http://allycatering.com/userfiles/watikalomafa.pdfIn PDF document text
- http://www.anclupnapoli.it/userfiles/file/nemumoreverobe.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b2f2746f428---62985989778.pdfIn PDF document text
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/0mc8iolsf8q4apm88ug3bmmr24/zutulev.pdfIn PDF document text
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160bc2ad35ca91---15078200682.pdfIn PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608648419c312---dazupug.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_off00011b6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B6B | 5324 bytes |
SHA-256: f1f6a47129a7209851820460a8290d8877722fc5bede3a108db0360c45248655 |
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font_01_sfnt_off00012d7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D7C | 10848 bytes |
SHA-256: 6d538ea6804bc8c3d6a6c2493b9a6b165fa1d65ab0eeabd163f834c20b79cd20 |
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