MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and links to compromised WordPress upload storage, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded links point towards a common attack pattern of redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://laborke.ru/uplcv?utm_term=android+font+pack+download PDF link annotation
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613d90c973a80---75739792881.pdfIn PDF document text
- https://kaptenhoki.org/contents/files/bovunalawinezod.pdfIn PDF document text
- http://improntediteatro.it/userfiles/files/tevufuj.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ec94aa955.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16131c78bbed1c---sukunofavisawidufakuvev.pdfIn PDF document text
- http://woodlandhills.ilovepokebar.com/uploads/files/96130331308.pdfIn PDF document text
- http://russia-ex.com/images/blog/file/79892580195.pdfIn PDF document text
- https://yucekalipmakina.com/tsrm1/img/userfiles/file/25991748937.pdfIn PDF document text
- https://comfort8889.com/upload/files/4440433368.pdfIn PDF document text
- https://polnische-zaune.de/userfiles/file/vudakovaboxenebijure.pdfIn PDF document text
- http://esistore.be/userfiles/file/22722137454.pdfIn PDF document text
- http://sql110.com/pic/31760712294.pdfIn PDF document text
- http://colegiosantarosa.com/uploads/imagem/file/95741902260.pdfIn PDF document text
- http://futboltotal.net/images/files/19319000414.pdfIn PDF document text
- http://ptaki.info/imgekoprojekty/files/97094307527.pdfIn PDF document text
- https://acp-luxusingatlanok.hu/ckfinder/userfiles/files/13875428797.pdfIn PDF document text
- https://cryptobasics.biz/uploads/files/pevodekawarufixojali.pdfIn PDF document text
- http://studiotecnicopetrillo.eu/userfiles/files/selajufexerenotujota.pdfIn PDF document text
- http://anadolumatbaa42.com/genelresimler/file/21368447037.pdfIn PDF document text
- http://rainhouse.kr/data/editor/file/21142735936136ca7c12592.pdfIn PDF document text
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files/97164501119.pdfIn PDF document text
- http://lex.tj/img/file/66120615829.pdfIn PDF document text
- https://hijaustabilo.com/contents/files/vinakezofoxexebixu.pdfIn PDF document text
- http://hyunbulsa.org/~ewedd2/userfiles/file/wopede.pdfIn PDF document text
- http://dajuicebarus.com/uploads/files/7450750439.pdfIn 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://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_off0000b02a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB02A | 14460 bytes |
SHA-256: 74da38a6627c94a7c2dcf22cee7c75349c4024dacf6732cdc072b772190a3e97 |
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font_01_sfnt_off0000d47a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD47A | 10472 bytes |
SHA-256: 2f87e686cc99e593d99030e43282c1bf13e22618b3d0a95b977a498a3d267b5c |
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font_02_sfnt_off0000ec6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC6D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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