MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on disposable domains or compromised CMS uploads, suggesting a link farm or phishing lure. The presence of embedded URLs and the PDF structure itself point towards an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://nuraski.pl/wsg/userfiles/54094146688.pdf In PDF document text
- http://aceonlinementors.com/userfiles/file/8037204304.pdfIn PDF document text
- http://aite-materials.com/upfiles/file/33430503504.pdfIn PDF document text
- http://pascalparrot.com/uploads/assets/file/vokunubowobufegogis.pdfIn PDF document text
- https://www.hkfew.org.hk/ckfinder/userfiles/files/zogetodokeravam.pdfIn PDF document text
- http://wu-pao.com/upfiles/editor/files/79000553566.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cab6c31c927---38159398264.pdfIn PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b23b223d54e---4030761198.pdfIn PDF document text
- http://pokeocncafe.com/uploads/files/2023713001.pdfIn PDF document text
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/knfn1v04qktbv6g77v0su1ab34/61969535098.pdfIn PDF document text
- http://koryosushi.com/uploads/files/fenevizaxadumokez.pdfIn PDF document text
- https://fwstc.in/userfiles/file/16386181232.pdfIn PDF document text
- https://codecs.ro/images/file/36481835230.pdfIn PDF document text
- http://abaj.cz/UserFiles/File/83978655159.pdfIn PDF document text
- http://oldtimerclub-thueringerberg.at/images/file/senop.pdfIn PDF document text
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/a2538d0bae19484e09c8903dfc54c559/subiroxovoneteged.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe23229e3e---zawafutuxabagida.pdfIn PDF document text
- http://cgmorenanews.com.br/ckfinder/userfiles/files/95493275864.pdfIn PDF document text
- https://aarhuskortet.dk/images/file/67586867360.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/160a2e99df1cc9---pijosa.pdfIn PDF document text
- https://cncunse.com/d/files/31963643992.pdfIn PDF document text
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/icn35floeml8nk200it1atmhhs/worolagebimikakalef.pdfIn PDF document text
- http://www.jucadent.es/ckfinder/userfiles/files/vilekupevesidonu.pdfIn PDF document text
- http://beateromer.com/bilder/file/niragomem.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=laplace+transform+differential+equations+examples+pdfPDF 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_off0000b5d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5D4 | 11088 bytes |
SHA-256: bca53b4b758c5ac260220951974e3e549a509d9725c8e64099f2c506327eda9e |
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font_01_sfnt_off0000cf78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF78 | 14272 bytes |
SHA-256: cf7fe5ea0383cc0dae5f59bef4de055e874e8909fa8d20c52a4c6d391d5215cd |
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font_02_sfnt_off0000f2bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2BF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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