MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of URLs, many of which point to compromised websites or disposable hosting, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to directing users to malicious content or downloading further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://pistant.ru/uplcv?utm_term=roblox+hair+codes+2020 PDF link annotation
- http://bosch-elektronarzedzia.pl/catalog/file/56903403665.pdfIn PDF document text
- http://clinicaveterinariasangiacomo.it/userfiles/files/52167490669.pdfIn PDF document text
- http://optimaglobal.net/ckupload/files/fanorazidomewulofute.pdfIn PDF document text
- https://bvphcn.bdata.vn/upload/files/44167581150.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/40cc3f1d4377e13e92b28ddb7ac7c0cd/nurudirevovetizideloz.pdfIn PDF document text
- http://www.hermosabeachbungalows.com/userfiles/files/23377722572.pdfIn PDF document text
- http://deepakbatteries.com/uploads/file/3872788391.pdfIn PDF document text
- http://innobiztour.com/FileData/ckfinder/files/20210911_17098EAC3A572613.pdfIn PDF document text
- http://nhatngungoisaoxanh.com/upload/files/momigiwuduxupowonapon.pdfIn PDF document text
- http://hanasushimenifee.com/uploads/files/49389125053.pdfIn PDF document text
- http://tao-oita.com/admin/upload_filesfile/fulawidezedejoxebifun.pdfIn PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/161406c988cca0---lezibexilisorufesevel.pdfIn PDF document text
- http://760_709737661.mildmedia-dev.eu/uploads/userfiles/files/92031042030.pdfIn PDF document text
- http://datavincity.com/uploads/ckfinder/files/80939558305.pdfIn PDF document text
- http://michelesherrinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/39314885944.pdfIn PDF document text
- http://about-dogs.ru/upload/file/suleju.pdfIn PDF document text
- http://weldingplaza.com/files/file/nogipurirujifefonajusof.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/f4ee7d851ca1dadec20e287319d26b5c/93307099368.pdfIn PDF document text
- http://studiomilano.eu/userfiles/files/65978044372.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16138dc6fcb12b---vidowidalalewugorimeduz.pdfIn PDF document text
- http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/xozuko.pdfIn PDF document text
- http://saxonrt.hu/img/userfiles/files/zelulo.pdfIn PDF document text
- http://axiomestates.com/userfiles/file/70427893000.pdfIn PDF document text
- https://www.abrasco.org.br/ckfinder/userfiles/files/81416649041.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_off0000d756.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD756 | 18772 bytes |
SHA-256: e48097eb623e5cdeac599d0b5704fd12bde9469e692b88a28efdee43726691cb |
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font_01_sfnt_off000107d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107D8 | 10792 bytes |
SHA-256: 35e7404ac5c4df7bb4757453edc2bba373eabee807f9f9a7c0e22ae51d4cc91b |
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font_02_sfnt_off000120de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120DE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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