MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous unknown URLs, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports the classification as a malicious link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.net/ckfinder/userfiles/files/96243959913.pdf In PDF document text
- https://zemiigori.com/uploads/file/25466666325.pdfIn PDF document text
- http://interno-kazan.ru/upload/files/suputerunusovinekifal.pdfIn PDF document text
- http://lideparts.com/userfiles/file/1626204628.pdfIn PDF document text
- http://banglatalkies.com/dynamic-images/cms/file/dupuba.pdfIn PDF document text
- http://urbancollab.com/userfiles/Proj_Name//files/94351974464.pdfIn PDF document text
- http://bfr-bialapodlaska.pl/userfiles/file/1039092832.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096dd4a613a9---gegimudore.pdfIn PDF document text
- https://amitadevnani.com/userfiles/file/sadeferasox.pdfIn PDF document text
- http://lycee-elm.org/userfiles/file/81209247939.pdfIn PDF document text
- https://o-dance.com/upload/files/monorabedazega.pdfIn PDF document text
- https://catwalkdogcome.com/editor_upload_image/file/14970756601.pdfIn PDF document text
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/e41895a690766f869cb14a7ca25cde05/lizitatejakikewe.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160caea4099978---25254975115.pdfIn PDF document text
- http://cityhigh78.com/clients/2/2d/2ddbae4fb74c169819b3574d76e4e264/File/jatubuganumugofiluzado.pdfIn PDF document text
- http://anhuizhkj.com/upload_fck/file/2021-6-20/20210620110352221008.pdfIn PDF document text
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b0bc74f19---26672285521.pdfIn PDF document text
- https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/ad97e10763e0b6f1bbe81c16bcfead2c/68414306537.pdfIn PDF document text
- http://stylowa-pss.pl/userfiles/file/16261569376.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/8ab5f9cdb9e07e8cf0a97a8b761f6d60/mapagimak.pdfIn PDF document text
- http://retroldn.com/userfiles/file/gokil.pdfIn PDF document text
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160828c3de7601---2730452835.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a09fc9f1037---tozekakulon.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/sofopawagijorex.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/16088d634d1c2d---44716973508.pdfIn PDF document text
- http://engroupe.ca/aym_image/files/99846442157.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=kitchenaid+professional+600+mixer+parts+diagramPDF 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_off0000e472.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE472 | 11452 bytes |
SHA-256: 6623ee583c73e2d7a81ec383e833240de1a41ba159a51a2bb862f6cde7805be0 |
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font_01_sfnt_off0000ff1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF1A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001172c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1172C | 17092 bytes |
SHA-256: 1082f7d9038802e01518bf334402c6b720f40729d6acb4131ed3e6256c09b75e |
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