MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This 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 a large number of links, many pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm to distribute malicious content or phish for information. No scripts were extracted, but the presence of numerous external URIs indicates a strong likelihood of directing users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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=my+neck+pops+all+the+time PDF link annotation
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072bd983e793---56552241942.pdfIn PDF document text
- http://alfavit.tv/userfiles/file/7351369404.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160949ef24e081---33763424394.pdfIn PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/6d2772b138679a147fa336b13e3ac5b6/13391822100.pdfIn PDF document text
- https://activepymes.com/pub/file/kuxizalevitaf.pdfIn PDF document text
- http://lapenya.cat/imgjovesnaves/file/47856289604.pdfIn PDF document text
- https://xo-sound.ru/userfiles/file/60081953732.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/fjbp7t64g7eeh14gje9nfnv38m/tinosakeg.pdfIn PDF document text
- http://i-dron.cz/data/file/98195092723.pdfIn PDF document text
- http://crmrealty360degree.in/userfiles/file/5921756015.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160c72ee664209---6082544287.pdfIn PDF document text
- https://amatnieks.com/pictures/image/79711254405.pdfIn PDF document text
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160740082bf0d1---mixadevofebufa.pdfIn PDF document text
- http://chinasoftcore.com/userfiles/file///91443518791.pdfIn PDF document text
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/br8ebt345rc7a6olg6m34mm1sn/46105721840.pdfIn PDF document text
- http://apsencollege.org/test/fckeditor/file/79638417151.pdfIn PDF document text
- http://yourbuilding.ru/userfiles/files/fonowi.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_off0000fdbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDBE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000115d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115D0 | 16556 bytes |
SHA-256: 6fb09a77e620453cee8cdd0cdada631c4d29a7575e90296783d73ab5856a7a07 |
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font_02_sfnt_off000140c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x140C7 | 10736 bytes |
SHA-256: 0ecdb4ab363ebf7f6e0e9b3a77107119064d03d42a6901950756e17d2dfebfd1 |
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