MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple compromised WordPress sites hosting PDF files. The presence of numerous unknown URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic suggest an attempt to obscure the true malicious destination, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/fb3ba5ba5db7bc3a5c6eff61ceb48326/88382472904.pdf In PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160839d3deb21b---wodabovopagemakevepebilu.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e7b53c06c---27519051984.pdfIn PDF document text
- http://seoulsquare.com/userfiles/file/24788823793.pdfIn PDF document text
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fb4a29b07e---neragul.pdfIn PDF document text
- https://ilexgold.com/app/webroot/files/userfiles/files/fevogezubadevesur.pdfIn PDF document text
- http://www.bufolari.com/public/immagini/file/tojenep.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b19da47480c---gedekigakutip.pdfIn PDF document text
- http://midel.me/userfiles/file/84600517362.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074d79b2f6e1---67388735758.pdfIn PDF document text
- https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a9f14ac3fed---jiturojegeturaxebufalawi.pdfIn PDF document text
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/dfjmsf3iifqpb32q1bbol7cfc8/13069551934.pdfIn PDF document text
- https://realestateconnect.us/wp-content/plugins/super-forms/uploads/php/files/1vb82punrudaong7fj72u85m04/punemisemabijozulese.pdfIn PDF document text
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/h5om3gbao0muh7scmif49l6oh6/7311906031.pdfIn PDF document text
- http://kezmosas.hu/files/file/97072769155.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/28774811687.pdfIn PDF document text
- http://henca.com/files/details/file/ropufesibimilagenela.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160950e65ee77e---xapasobitage.pdfIn PDF document text
- http://alnoorcity.com/userfiles/file/jigitobafufevoxanidax.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160cbb666317dc---64993559128.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bc41d2a8b2f---39633304831.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/47o0tk24qraonffat3crt9ei11/8744178554.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607254a00ad20---mibonefonipimifoge.pdfIn PDF document text
- https://autoparkalbanese.it/file/pimipaled.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ad4bd6751---miduzu.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16094332ceeb6d---38424407247.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=kg+powerlifting+chartPDF 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_off0000eaff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAFF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010316.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10316 | 10668 bytes |
SHA-256: f708514a2628b3b95abb41da23861502051670ffdfa7a2a7390708e48bc8b931 |
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font_02_sfnt_off00011b85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B85 | 17056 bytes |
SHA-256: 6e0a564b1d5d74397f3db70b61462137144557bb7402aea7b009bea4d47b0547 |
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