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 compromised WordPress sites and disposable hosting, suggesting it functions as a link farm to redirect users to malicious content. The presence of external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://catamma.ru/uplcv?utm_term=osmanl%C4%B1+diplomasi+tarihi+a%C3%B6f+pdf PDF link annotation
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/o5frr6pqof2g0261bd2l4p7ugs/96035223970.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/8950ccb75d4114826cf4ba929d1c311e/baxamuwojujutut.pdfIn PDF document text
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/a02f40700e3e8dfc8681dcf7b2d959ae/wajogufesuxirabiz.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/47f562eeed9f67a3d434de82159da929/bixij.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608a59cc0aa96---81795262514.pdfIn PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afd2c562813---98591968978.pdfIn PDF document text
- http://giadinhmedia.com/uploads/files/lukunikibozaw.pdfIn PDF document text
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b13e89981c5---15895040999.pdfIn PDF document text
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609486b483f58---36508262152.pdfIn PDF document text
- http://cana.vn/uploads/userfiles/file/jazunawifid.pdfIn PDF document text
- http://pphu-joanna.pl/fckpliki/file/49248772186.pdfIn PDF document text
- http://faizleathergloves.com/userfiles/files/88098198699.pdfIn PDF document text
- http://www.520amis.com/upload/files/xazidag.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/3cp8oaj5s7r5qb32bo8djfspm9/fawibafukosikej.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b0ca7c3604a---vowojewasofemebelop.pdfIn PDF document text
- http://yljx.cn/images/upload/File/15332847334.pdfIn PDF document text
- https://udruga-invalida.hr/files/kuliwojizefomerel.pdfIn PDF document text
- http://michianaorchidsociety.org/clients/2/28/2832e32407c795c8d28ffe68102aa18e/File/59000763456.pdfIn PDF document text
- https://masini-de-ambalat.ro/images/userfiles/wabodu.pdfIn PDF document text
- https://maintogelonline.info/contents//files/xonuja.pdfIn PDF document text
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/48f25c5cc78493a5556d60396936cf59/nunewenojo.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/0llmc34d96gm8m7qjrgc2jud1c/kinuteko.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609224b7e9cb2---79835473282.pdfIn PDF document text
- http://dpsszczytno.pl/photo/file/93251219659.pdfIn PDF document text
- http://forresterfamilyreunion.com/clients/c/cc/cc72bfd2512333311cc1ef5a4fdef90f/File/63001912505.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_off0000ce47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE47 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e65e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE65E | 10916 bytes |
SHA-256: 0e3dae73717d091bd0c4b308451c8960d0ca86050ddd9df1a8e029c03c954791 |
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font_02_sfnt_off0000fee8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEE8 | 19180 bytes |
SHA-256: bc77fe4a49b017616e03ab3dd6700fdb8abd676c4d7ab51796759361ff0b0b08 |
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