MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to exploit vulnerabilities or redirect users to malicious sites. The document also features a large number of external links, many hosted on compromised WordPress sites, suggesting a phishing or content-luring campaign. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://medvor.ru/uplcv?utm_term=how+to+use+a+butcher%27s+steel PDF link annotation
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/c01e4078a582c4618231ea4c8c581eda/bejafi.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f553e709c72---18421721919.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608530d8ea1ed---sogivejelareboxekedebe.pdfIn PDF document text
- http://solarissoft.com/img/userfiles/files/vasororemesexijukikazu.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa9b88516e---33483706862.pdfIn PDF document text
- http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/5ff4577530ad8476a8b4572f5d35844f/75029356428.pdfIn PDF document text
- https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/90b5a3ec5d927044354b9cb453948e95/supimoxo.pdfIn PDF document text
- http://haenuri.net/ckupload/files/47612203955.pdfIn PDF document text
- http://naturallabs.fr/userfiles/file/61585713522.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160868c681b3ac---bazos.pdfIn PDF document text
- http://elencostruzioni.it/userfiles/files/nuvuzajidajugakonudolo.pdfIn PDF document text
- http://megalaserasia.com/upload///fidusuripe.pdfIn PDF document text
- http://techbis.pl/files/file/zapolew.pdfIn PDF document text
- http://asesorgubernamental.com/images/file/4949930855.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/eeqgghv85a43rln9cvpr0qar6p/93617289264.pdfIn PDF document text
- http://pokeocncafe.com/uploads/files/mufudaduso.pdfIn PDF document text
- https://allcreaturesinc.com/files/files/830701318.pdfIn PDF document text
- https://destockbaby.com/ckfinder/userfiles/files/2957757285.pdfIn PDF document text
- http://taketty.xyz/js/ckfinder/userfiles/files/94609581000.pdfIn PDF document text
- https://doxity.ro/ckfinder/userfiles/files/6696301722.pdfIn PDF document text
- https://theloneranger.tv/clients/loneranger/ckfinder/userfiles/files/nupopopatesobafuroke.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/eed9bd66b8cdc3e74bc5324f05b51881/dibavodebifefogefe.pdfIn PDF document text
- http://hzzxtl.com/UploadFile/file/20210615022741410.pdfIn PDF document text
- http://studiopassarotti.it/userfiles/files/28889754017.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_off0000d16c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD16C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e983.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE983 | 10484 bytes |
SHA-256: 16400c4b7b2dc1f4c0feade56c6ba0e0e180fa36a149f2e3d37d48a3730ca0cc |
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font_02_sfnt_off0001019a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1019A | 17752 bytes |
SHA-256: ef2f259193a987e928769a92381ad20d3dedbbaa371b203275e34245568b69d2 |
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