MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external links, many pointing to compromised WordPress uploads and disposable domains, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 http://elsped.hu/files/file/getovejazopovep.pdf In PDF document text
- http://odra.cycling-recycling.eu/imgturysta/files/paliseni.pdfIn PDF document text
- https://granitabrasive.hu/editor_up/30892800213.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/02322f10c5cb81f808a322cdb31071ec/54292511526.pdfIn PDF document text
- http://lineshare.net/upload/files/20210929061341.pdfIn PDF document text
- http://abnicum.com/files/file/85830537558.pdfIn PDF document text
- http://emons-verlag.net/testarea/cwsCMSlight/media/files/30432618213.pdfIn PDF document text
- http://gospodarstwotoporow.pl/uploaded/file/38979803977.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/bd44c8da9f6e5aa5a1a8105da5679f1b/13822881984.pdfIn PDF document text
- https://larrialdiak.es/files/galeria/files/34689563866.pdfIn PDF document text
- https://toliveinchristjesus.ceosale.catholic.edu.au/application/third_party/ckfinder/userfiles/files/71922116928.pdfIn PDF document text
- http://machi-tomo.xyz/js/ckfinder/userfiles/files/kapigut.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/vmg7goe0ir5vc1k8jfcu02muf2/92251128351.pdfIn PDF document text
- http://exmar.it/foto_fck/file/69853893917.pdfIn PDF document text
- http://isspskola.lv/userfiles/files/79841014785.pdfIn PDF document text
- https://ecohort.biz/userfiles/files/diwowujajidawagalidawavi.pdfIn PDF document text
- https://trompis-tondschungel.de/userfiles/file/73342168583.pdfIn PDF document text
- http://studioscoponi.eu/userfiles/files/14166149584.pdfIn PDF document text
- https://serpavenger.com/ckfinder/userfiles/files/3272723057.pdfIn PDF document text
- http://bzws.zhanyougame.com/ckfinder/userfiles/files/93213829888.pdfIn PDF document text
- http://www.radio-kum.si/data/files/9964511867.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=different+types+of+weather+frontsPDF 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_off0000ac10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC10 | 10612 bytes |
SHA-256: 4c08aa0e0adca04ccdda53d030341815b3df071e6ea5bb798234f429062dd2f6 |
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font_01_sfnt_off0000c462.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC462 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000dc74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC74 | 14848 bytes |
SHA-256: a261c94331c195103cc287d70e313c8667912a056f40e6c40b248dd9e32ced52 |
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