MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous URLs pointing to compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded URIs are indicative of a phishing or malware distribution campaign, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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://nomylo.ru/uplcv?utm_term=hipertrofia+de+columna+de+bertin+ultrasonido PDF link annotation
- https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/bd2b7ed4c557f4ba22146cfa38083f5a/najiterivezobikagufumugid.pdfIn PDF document text
- https://bbpartner.cz/userfiles/file/45199841985.pdfIn PDF document text
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160724fb29467a---fixapuwojugir.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16075658f6259e---9199326108.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16071a6ee87058---53302677014.pdfIn PDF document text
- https://audit-advisers.com/userfiles/file/82601213878.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/e09b0485ad1951810a75f7bdfbf30998/78800156317.pdfIn PDF document text
- https://hondamienbac.vn/userfiles/file/bipaz.pdfIn PDF document text
- https://acronimocostanzo.com/userfiles/file/10699916400.pdfIn PDF document text
- http://cy2hand.com/userfiles/fowesidimasefaluko.pdfIn PDF document text
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608b669bb026e---gewetiwol.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/4aa8feeb4499e5f2d6a655a02610aa02/gaxuvevota.pdfIn PDF document text
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/a1d49ff826ae453b1dc075d02fe61134/rowetiluvusubixuj.pdfIn PDF document text
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/e3df69ea30b8cd156feefa503ae2c698/36495148932.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/02ecb23f7c7dfebec73195d7c523150a/jikuvat.pdfIn PDF document text
- https://www.bistro-e.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc2a78d9ee---zojuvixunetoj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d8c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8C7 | 5404 bytes |
SHA-256: cc8dc51c6f7002b15acf104c751066d3f1028932aac5aad371f76769beae195f |
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font_01_sfnt_off0000eb06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB06 | 11584 bytes |
SHA-256: 4f7ee36247b7c80c56b0cc93f8b34fba0d75aff787afe52fe099d4d010fbebf8 |
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