MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is classified as malicious by ML and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, directing users to multiple compromised WordPress sites and other domains, likely to host malicious content or facilitate further exploitation. The document's content appears to be a lure related to the literary work 'La Celestina', aiming to trick users into clicking the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://laborke.ru/uplcv?utm_term=a+que+genero+literario+pertenece+la+obra+la+celestina PDF link annotation
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/dfdj62aqg19cja2200j164db9b/64051446547.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/rog4efd11rj4ms9qjcdnsmbph5/45525421192.pdfIn PDF document text
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/9miqtgd9hinh72jv5h3gimhvhl/99393214010.pdfIn PDF document text
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/0vfbkj32p1v8af05aho5tdmgj3/78776573226.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/glpmfet311jn69huh513fhnsl2/59369914113.pdfIn PDF document text
- http://prestopc.it/upload/file/56752602681.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160b269b504747---82877741844.pdfIn PDF document text
- http://xn--80aaa1acmiejxr6d7fg.xn--p1ai/data/files/powavifazoradoteterox.pdfIn PDF document text
- https://upchealth.net/wp-content/plugins/super-forms/uploads/php/files/695be8d7033b84e78a89130848303430/xamejapigarovaw.pdfIn PDF document text
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1609faffbadea3---kosoxagomuzoxulejilegaka.pdfIn PDF document text
- https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/15dc6c12342be1b0818b388f2a2a8255/79942060608.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b621a832f55---rupigadaladefixajarawasu.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/2257476151.pdfIn PDF document text
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/kgpppv78n1hh52b7h0fct0oqvs/62936114084.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/o19njiuda6esvv0pp09l6jsad5/50539799624.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088a6827af12---wazar.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1dc8e00b1---bedelazavonabefaromugaviv.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00028460.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x28460 | 5356 bytes |
SHA-256: 3f597e62b9d514293d50479aca663bcc66b323196a15fb6221811f17e12cd96e |
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font_01_sfnt_off0002969c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2969C | 12760 bytes |
SHA-256: b53f28cd31e697dee75c7c06497789172102703a654b55c7a3ca96d60c205566 |
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