MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many hosted on disposable domains, suggesting a link farm designed for SEO manipulation or phishing. The heuristic 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' indicate a high volume of links pointing to potentially malicious or deceptive content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://bologen.ru/award?keyword=job+application+letter+sample+pdf+download PDF link annotation
- https://cdn.sqhk.co/gafazakedoki/R7Chh3E/dialysis_definition_english.pdfIn PDF document text
- https://cdn.sqhk.co/wofunukasu/iYBja65/wuzevalabozov.pdfIn PDF document text
- http://fanilobepewe.sportsontheweb.net/xotuliguvovakomakalo.pdfIn PDF document text
- http://cashbackmoney.info/argument_essay_gre_templateefmdy.pdfIn PDF document text
- https://dewokipapofoz.weebly.com/uploads/1/3/2/7/132741709/nagatirowa_letikiza_vubed_mizus.pdfIn PDF document text
- http://lerob.info/funofobejepezamijepesexwnvj9.pdfIn PDF document text
- http://fumexijana.getenjoyment.net/55006139872.pdfIn PDF document text
- https://febamepu.weebly.com/uploads/1/3/1/0/131070604/fdd83e456a4b7a.pdfIn PDF document text
- http://dashcamtopbest.com/how_do_i_connect_myq_liftmaster_to_wifixf5ff.pdfIn PDF document text
- http://helpcenter.business/internal_combustion_engine_book_by_v_ganesan_downloads26ne.pdfIn PDF document text
- http://idealslim-italiaoficial.site/sipexasujuzigidisazb3qh.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://ec8c99fd-5413-4e38-b6a0-2ccbba71fc6f.filesusr.com/ugd/de02f3_f822843767f44d728d985ee4e111a8f0.pdf?index=trueIn PDF document text
- https://fefcf4f0-bf52-4086-adb3-b788df03f7bd.filesusr.com/ugd/da9d4c_8829875107e24a46979e25565e75eff0.pdf?index=trueIn PDF document text
- https://6c036dbd-b327-4678-b778-de8a2ee7bb50.filesusr.com/ugd/ed64d2_bf0d4e73cd8542e2a35dec054580d24d.pdf?index=trueIn PDF document text
- https://e25b7b56-d8f7-44cb-9276-56428e53d1cc.filesusr.com/ugd/63f3e8_a29fa9943c07421a92cac690fc820a97.pdf?index=trueIn PDF document text
- https://c07b3cb0-7d4a-4e65-9c62-eb3bd0ce3b6b.filesusr.com/ugd/7560d5_00a345fa2ea4478b85c045988497db5e.pdf?index=trueIn PDF document text
- https://45f0f727-c607-4398-b3b7-8b42e23b21b2.filesusr.com/ugd/0a84ca_4c3bcd3c625940fbbde00fd02173d53f.pdf?index=trueIn PDF document text
- https://b18ac5c8-c825-4c59-a0a1-290c879ce4f6.filesusr.com/ugd/1a0fde_5d6cebe8bff4427ca97e45603baa6e99.pdf?index=trueIn PDF document text
- https://92e0cadd-ca3c-497d-ba7d-1aece6ee6da0.filesusr.com/ugd/008e52_af47420c79334e87a60d8d93022bd266.pdf?index=trueIn 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_off000114d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114D9 | 5520 bytes |
SHA-256: c9581760db1aeeaaf6a83df3199da690144e42a01f660e65324d2474dc1631b5 |
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font_01_sfnt_off00012799.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12799 | 11284 bytes |
SHA-256: 87663505c9cb84c361c23561d3536ba6466e899a73dfbd06916a473ded59118b |
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