MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ClamAV and an ML classifier. It functions as a link farm, directing users to various compromised websites and potentially malicious PDF files, disguised as academic resources. The presence of multiple external URIs and compromised CMS upload links indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://archism.ru/uplcv?utm_term=principles+of+electromagnetics+sadiku+6th+edition+solutions+pdf PDF link annotation
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/5a42a348140c0cab0ceb816a1ce75d94/78606260252.pdfIn PDF document text
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/jm921vbi300bdbf8d9g6a38plk/22261562192.pdfIn PDF document text
- https://atl-50.com/files/file/pojojetosozu.pdfIn PDF document text
- http://m2mus.ca/clients/b/b1/b1ca46fdb12d68e762e4a8b3318caec0/File/tirudugujuk.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160962234c9da3---47513037776.pdfIn PDF document text
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606f00a900f85---83872252557.pdfIn PDF document text
- https://groupunsur1.com/contents//files/lovesutijifuvuraziw.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6430d3586e---zorapajare.pdfIn PDF document text
- https://stollerco.com/testingsites/advantage_aviation/assets/media/file/82731412219.pdfIn PDF document text
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/fed823a59ed24f9a47e39eee8f8df136/88293996677.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160be573c2f353---78238600735.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0bee5192b---32031064388.pdfIn PDF document text
- http://www.deep2001.com/images/library/File/mubomidasitagufelizemom.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fd80d16476cb978967e961aea66dfee8/talaz.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/c3d2rq3v3oh32scv7l7a2ohp54/fujapiridozovisar.pdfIn PDF document text
- http://mygotour.com/FileData/ckfinder/files/20210529_C099633754D830A3.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_off0000dd92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD92 | 5788 bytes |
SHA-256: 3bee24e1972e3fb0b067b746cd40e9d1accdee475b754790f1256110e4a03f88 |
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font_01_sfnt_off0000f11c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF11C | 11780 bytes |
SHA-256: 3e664950655b48c98a6b0cf7cc32e7fafc7f69213e53c90724f3be911e993266 |
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