MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous embedded URLs pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farms indicates an attempt to direct users to external, potentially harmful, resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://ketchas.ru/uplcv?utm_term=vital+records+erie+pa+phone+number PDF link annotation
- http://acpiindia.com/userfiles/file/66217471054.pdfIn PDF document text
- http://lammensfilip.be/uploads/files/74324260611.pdfIn PDF document text
- https://vicotelecom.vn/static/source/images/file/71261573578.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e54b97e27---fumumobarerirutak.pdfIn PDF document text
- http://textingrights.com/userfiles/files/muxebibunakixapekeja.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/a9a5684e88b2dac08360b36c8e4b366e/bibimod.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099a0ba02d2a---namiwopuvitisuridesun.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090f66dd2b63---77851969544.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160969754304b1---retotozamevanamunugerep.pdfIn PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/3650e6efb9603923eec7bedd2803dcd3/60376824441.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/0470d5b70f886735688f3df1b65124df/sibupugurowes.pdfIn PDF document text
- https://anakaygame.com/calisma2/files/uploads/fezudujama.pdfIn PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/900971911d32912f771c2a06d6e0e594/zekuvu.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c84bee062---25398225065.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/bdab4bf718521be9caf178d01a180290/7688598623.pdfIn PDF document text
- http://waltwhitmanclassof1965.com/clients/c/cc/ccbfa8a87e297cd67510599b8aebcb74/File/10170512645.pdfIn PDF document text
- https://www.deuba.info/wp-content/plugins/super-forms/uploads/php/files/muagqe0e6vj01cuil3dm3j0u9r/34578268990.pdfIn PDF document text
- http://oreade-breche.fr/userfiles/file/33173012320.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1a1edc45f---9624986919.pdfIn PDF document text
- http://makinsushi.com/uploads/files/52196337770.pdfIn PDF document text
- http://mygiftltd.com/userfiles/file/bukofubobejubexelanu.pdfIn PDF document text
- http://serramentisiciliano.it/userfiles/files/bamawavonufovesipabodor.pdfIn PDF document text
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/watuwurupabilerawipawubar.pdfIn PDF document text
- http://pogologistics.com/ckfinder/userfiles/files/71839785120.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_off0000ca1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA1C | 16300 bytes |
SHA-256: 2279a13de280a17a9117541b2bf159bffda0480bea68d44f27f4ce2847dc67cf |
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font_01_sfnt_off0000f443.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF443 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010c5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C5A | 10988 bytes |
SHA-256: 3380fa2ff6f8c1a39fb0db89f3a879b58af66b10067feeb3d9ee33c637bd4c56 |
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