MALICIOUS
164
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 pointing to compromised WordPress uploads and other disposable hosting, suggesting a link farm designed to redirect users. The presence of a 'download button' heuristic further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/ao78rm0129mdc84heid1116hv8/minujogezobu.pdf In PDF document text
- https://bodymason.com/user_uploads/files/buzavivezazibamokedi.pdfIn PDF document text
- http://kleiberit.ru/files/file/29457521209.pdfIn PDF document text
- http://htwy.com/upload/file/95232980293.pdfIn PDF document text
- http://studiomarcheluzzo.it/userfiles/files/tafegafujotudisekor.pdfIn PDF document text
- http://yjbiotech.cn/upload/files/suvikagitakebuwuwomejex.pdfIn PDF document text
- http://brianhaymore.com/images/e/file/53721665201.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/uqk2ihaqrc4j7ektma8fqgdgct/43774273406.pdfIn PDF document text
- http://euro520.net/userfiles/file/1631790806666185339.pdfIn PDF document text
- http://trips-in.com/ckupload/files/18569117717.pdfIn PDF document text
- http://adria-ex.com/images/blog/file/jazexofixadilonaxeb.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/5ef5e9f6b1e54298543892ed6eac7ec4/90575966886.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613a159d7514a---nadaginades.pdfIn PDF document text
- http://agro-partner.com/Image/files/12247262856.pdfIn PDF document text
- http://ssaisarang.com/ckfinder/userfiles/files/webanurejolod.pdfIn PDF document text
- https://skopjemuzikon.pmgrecordings.com/ckfinder/userfiles/files/62461332275.pdfIn PDF document text
- http://ranchobg.com/img/file/49820400803.pdfIn PDF document text
- https://eventaipei.com/upload/files/73568831317.pdfIn PDF document text
- http://kme-kme.cz/files/file/41833982212.pdfIn PDF document text
- http://generoussecurity.com/uploads/16124289584.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1614194b19b6f8---fupexorubenixemixerut.pdfIn PDF document text
- http://hoangle.vn/uploads/userfiles/file/risosenij.pdfIn PDF document text
- http://helenhotel.vn/upload/files/zemimekovofifixinude.pdfIn PDF document text
- https://uleiuri.ro/userfiles/file/27120279611.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b6301a1458be70f3c948c05edb51f56b/82970508364.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+install+without+play+storePDF 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_off0000dab1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAB1 | 18636 bytes |
SHA-256: d12824d5b5977e3acf6cdbe53f7e9677d6b293188a71ff150ba77e5ba3d45d47 |
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font_01_sfnt_off00010acd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ACD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000122e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122E4 | 10640 bytes |
SHA-256: 2d26d5d5565a32b08e8cf7ffb98153e81eafb6c9df38e2e5bb0e7ceb1108f2b2 |
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