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, many pointing to compromised WordPress sites, suggesting a link farm or phishing lure. The presence of external URIs and a link farm on disposable hosting further supports a malicious purpose, likely to redirect users to phishing sites or download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9927
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://crysiq.ru/uplcv?utm_term=3ds+max+download+free+full+version+student PDF link annotation
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc66bd37920---84360300494.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8eecf6fb1b---zivunumuvatujavadopewup.pdfIn PDF document text
- http://bannails.com/fckeditor_userfiles/file/1188565991.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/0bc5f68958abbedce0bc484f7525ed0a/migabatezotet.pdfIn PDF document text
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/dae045fc4ff46d16b2a32595e46494ac/vimijilugetavanapone.pdfIn PDF document text
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a00fd2517---tozupaw.pdfIn PDF document text
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/2b193d0c73e6884b8959a62ffa4b3b1b/68379611690.pdfIn PDF document text
- http://skncn.com/u/files/77924535603.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/032458df2916ab4285703f54506ed28d/gukizugigemugerevefofidib.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16092a6586262f---rofifanuzodirowix.pdfIn PDF document text
- https://atlastoursntravels.com/userfiles/file/mafira.pdfIn PDF document text
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/0e3c32f3a16aa3525c08f03821a8acd9/30235205853.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160acd171008fe---tefalajaworopogikabafikuk.pdfIn PDF document text
- http://maychamsocda.vn/images/userfiles/file/posukewujamud.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a363c023b45---23152122978.pdfIn PDF document text
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/rvhobk0lbpk5srgj3gke9r67io/zokud.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba852ca72f7---gakugenofa.pdfIn PDF document text
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b186e2f015a---zezuxiguzilak.pdfIn PDF document text
- http://narnivet.com/userfiles/files/nukazenizav.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092aa22a3ada---38721395464.pdfIn PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b4eb2afdad---62475549932.pdfIn PDF document text
- https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/nqlldebkoaj5r3mdpinrlu3c48/78538247319.pdfIn PDF document text
- http://turnyras.lt/Files/file/19365180831.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00018692.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18692 | 18408 bytes |
SHA-256: f16f446d8058355e3b3589f56f6add807b64ec39b5b3bbb9aa957a4364eafa8a |
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font_01_sfnt_off0001b790.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B790 | 10944 bytes |
SHA-256: 12593c585a090905d73b60eb45ef96309c71ef91a77975f0588096a670f689ea |
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font_02_sfnt_off0001d0f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D0F6 | 1852 bytes |
SHA-256: 927fbd6e1fd2ad5d621fbd216861e776272280f09e6c77cd8cfba2e060b93c5e |
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font_03_sfnt_off0001d99a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D99A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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