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 to external websites, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm or phishing lure. The PDF structure and the presence of multiple external URIs point towards an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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=modern+physics+solution+manual PDF link annotation
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/2siglbc2iamimp9qq14d8lkoek/sukafekudapapewet.pdfIn PDF document text
- https://almoheetmanpower.com/public_html/userfiles/file/bijuziza.pdfIn PDF document text
- http://soles2walk.cz/data/file/73090503049.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/94650b8f78108ea73b27b2c5eb93af78/7407657606.pdfIn PDF document text
- https://mldom.xyz/web/img/podborky/files/zozijegud.pdfIn PDF document text
- http://www.firengo.com/userfiles/files/sumapemazixu.pdfIn PDF document text
- http://texmet.pl/userimages/file/25344440063.pdfIn PDF document text
- http://jar-ted.pl/file/katimemizabikoxitozoxid.pdfIn PDF document text
- http://firmen-bekleidung.at/userfiles/file/fubobatozijuziju.pdfIn PDF document text
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/am0n6cb840vdd1qp8cnt64lgdv/penus.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160b969975fd5a---61312587534.pdfIn PDF document text
- http://jakpaisanestate.com/images/upload/files/wizagixenijo.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/t5ikdc1o3eeum1g2ti0kio5h5e/16615806749.pdfIn PDF document text
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/c25a90aea53e68d27cd372a0622d2d89/70312826738.pdfIn PDF document text
- http://schokoladenfontaene.de/idata/bizidutipesatawanajukivaz.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160bf6d1c97728---10322903030.pdfIn PDF document text
- https://dangeloremodeling.com/nbloom/fckuploads/file/33338574363.pdfIn PDF document text
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/38684df4038726e26664a03961806f56/jokoduk.pdfIn PDF document text
- https://akita-inu.lv/www/files/files/robolevidadir.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a36d893c05c---68645571328.pdfIn PDF document text
- http://chandigarhdatarecovery.com/files/file/nujaxudodeduxotisaxopelo.pdfIn PDF document text
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c700904f04b---63382278987.pdfIn PDF document text
- http://abwlanham.com/uploads/files/xudibudilezigo.pdfIn PDF document text
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/egn3ee75d9jba7r5usoosibqv8/43732018758.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1608ddba271f41---niligepojutigepinijitotu.pdfIn PDF document text
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/ehbl39h1i85cgbfc5c4q9vo15j/82830985867.pdfIn PDF document text
- http://librosysolucionarios.netIn 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_off0000c424.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC424 | 18660 bytes |
SHA-256: 1f50e6fdcec5a0c48f6218bbbb00e27e89b5f627a9cf6662a20d33ec9fa3c532 |
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font_01_sfnt_off0000f30b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF30B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010b22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B22 | 10984 bytes |
SHA-256: 72b3088afba2d8b79e27a90bcad89cf568877f039319c1b5c6b7f69df9ec9d46 |
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