MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier. Static analysis revealed it functions as a link farm, with numerous URLs pointing to compromised WordPress upload directories. These links likely serve as lures for phishing attacks or to distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608043c09a47b---guxokojunibiki.pdf In PDF document text
- https://www.abrasco.org.br/ckfinder/userfiles/files/kugetite.pdfIn PDF document text
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/d1bf3a1ccbcceacc4283a67d12cdb75f/6990482400.pdfIn PDF document text
- http://tchid.net/userfiles/file/linisuronaxelafabu.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/pc2dhej9tosesb5it6f52l73n5/sojazarukenozuwusopatozuj.pdfIn PDF document text
- http://hydrem.ru/images/file/kijafenig.pdfIn PDF document text
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/955566e9231f84640f698e74bd2cddec/bofumuwovovozemiru.pdfIn PDF document text
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3e228359f---47407551302.pdfIn PDF document text
- http://targdenunti.ro/userfiles/file/96303068661.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d5c329af730---teropega.pdfIn PDF document text
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/2870ede6e3ef65ec1f8dfea3f17aaaa1/30629773336.pdfIn PDF document text
- http://fmi.lu/userfiles/files/39643740207.pdfIn PDF document text
- https://macauroommate.com/ckfinder/userfiles/files/40589607457.pdfIn PDF document text
- https://netiko.ge/img/Data/file/xedobexufufidajasudew.pdfIn PDF document text
- http://backkwang.com/userData/board/file/detatepuramotipefa.pdfIn PDF document text
- http://abimobiliare.pl/pliki/File/fevor.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/5fjoo94r3eodmleg0mc6e8csrd/vepumijavivova.pdfIn PDF document text
- http://bjaimama.com/data/upload/2021/05/file/202105151224154312.pdfIn PDF document text
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/4dc83f52a73de189062be5a624df5011/pakaxusozutefumerokegovez.pdfIn PDF document text
- https://securitydm.net/slicice/file/zakafedadopejese.pdfIn PDF document text
- http://rubivina.com/Images_upload/files/gojob.pdfIn PDF document text
- https://0a3exp.com/upfiles/editor/files/17513414987.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=excel+vba+copy+worksheet+range+to+arrayPDF link annotation
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/fd77bd657308b37424c14b527c19c49d/batapele.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_off0000d75c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD75C | 18268 bytes |
SHA-256: dc38ca60aca2e7cc51c56d454d4646853711ce5e8fee263c31f25e6b08276170 |
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font_01_sfnt_off000106aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106AA | 11144 bytes |
SHA-256: 01d210c4609cf1dda3f96db376e04b0fd7cf58df41e9c2ba281cd22141de3601 |
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font_02_sfnt_off000120a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120A0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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