MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to various domains, many of which appear to be compromised or disposable hosting, suggesting a link farm designed to redirect users. The presence of 'utm_term' in one URL suggests a phishing or spam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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=videoder+download+mp3+para+iphone PDF link annotation
- http://sql110.com/pic/zemigevu.pdfIn PDF document text
- https://officialbacknumber.org/editor_up/73498050088.pdfIn PDF document text
- http://hysansam.com/fckeditor/userfiles/image/90968270140.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613b880c00ae2---guresovinisuj.pdfIn PDF document text
- https://pfhotel.gr/ckfinder/userfiles/files/bulapurexonig.pdfIn PDF document text
- http://tmkb.org.tr/ckfinder/userfiles/files/84426214178.pdfIn PDF document text
- http://dydlhx.com/upfiles/file///27772830920.pdfIn PDF document text
- https://karatenarrewarren.com.au/ckfinder/userfiles/files/gopewutukofolavivun.pdfIn PDF document text
- http://qcfloor.com/userfiles/file/ruxaxojuduvakolese.pdfIn PDF document text
- http://architettotamborra.eu/userfiles/files/doxodasad.pdfIn PDF document text
- http://xn----gtbercbfedtm3b.xn--p1ai/admin/ckfinder/userfiles/files/gozatexuzupazaresi.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/dc8c8ed123ec4968d31a7eefb1ce38e2/zarazogawuremotuke.pdfIn PDF document text
- https://bor-diing.com/upload/files/tezologidusimetufuji.pdfIn PDF document text
- http://immobiliareborghi.com/userfiles/files/kirewamuxiliwosubowipu.pdfIn PDF document text
- https://www.kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/kurowuwatopizedewom.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613da076c67f0---dutunamiwimirupet.pdfIn PDF document text
- https://lwim-ouargla.dz/ar/files/banosujute.pdfIn PDF document text
- https://birutelorasin.com/contents/files/91654312266.pdfIn PDF document text
- https://yapluka-services.fr/userfiles/file/gerakepuwebig.pdfIn PDF document text
- https://servauto.fr/img/user/file/bogunoxajonoze.pdfIn PDF document text
- https://xn--lenachatka-57b.pl/uploaded/file/foxobanovukozagepof.pdfIn PDF document text
- http://itcbeautytrainingschool.com/userfiles/file/kigira.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/e7bc73d45ab568b70ad845bb83da568f/xefaxosenamun.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_off0000b954.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB954 | 18440 bytes |
SHA-256: 1c26e24cbdcf7f4a4ed344588d456192ff2189b2eec6b6d16e57ffded27dde85 |
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font_01_sfnt_off0000e812.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE812 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010029.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10029 | 10620 bytes |
SHA-256: 299664318a03cb1f051dbb079105d633e36768598b512dc249285f3389bb5753 |
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