MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and an ML classifier, with ClamAV detecting it as Pdf.Phishing.Trojan. The file contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or phishing lure. The presence of embedded URLs and the PDF_SEO_LINK_FARM heuristic indicate an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://dugedepap.ru/123?utm_term=cdatetimectrl+set+format PDF link annotation
- http://naliputa.mywebcommunity.org/ischemic_heart_disease_introduction.pdfIn PDF document text
- http://supobesopo.mygamesonline.org/koxuwefominodexame.pdfIn PDF document text
- http://lulumel.66ghz.com/bumisiberesowokugekew.pdfIn PDF document text
- http://gazizelasama.getenjoyment.net/nomufowizivaru.pdfIn PDF document text
- http://robugipunebib.mygamesonline.org/patab.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/bejideba/vutefefejefejibibutubanuv.pdfIn PDF document text
- https://s3.amazonaws.com/muvevanepen/puwunok.pdfIn PDF document text
- http://mipatupi.epizy.com/debawuletibabomumovez.pdfIn PDF document text
- http://nebojemesiwi.atwebpages.com/lafimulesamaz.pdfIn PDF document text
- https://70848fb0-0fd0-490a-9360-2ffa38fc212c.filesusr.com/ugd/08e331_cf72762798d84657bdb669554edfe47a.pdf?index=trueIn PDF document text
- http://xojakejib.epizy.com/bescherelle_verbes_arabes.pdfIn PDF document text
- http://balopatesegefa.rf.gd/bakukileweni.pdfIn PDF document text
- https://2e21b658-2967-4279-8f18-a03590b678a5.filesusr.com/ugd/f5e1b2_0be3dd95bca144d6aa7da965af66ceee.pdf?index=trueIn PDF document text
- https://2a082fd4-e93f-4b8e-9e59-408fa046b31c.filesusr.com/ugd/e334dd_f231e01c2eb747399c51281f092598fa.pdf?index=trueIn PDF document text
- https://3176e400-c268-4dc0-8d69-08eae86937f8.filesusr.com/ugd/ea2f88_71ed7bfb1f874c4c8a564f0b943e7b8c.pdf?index=trueIn PDF document text
- https://aed022ca-8a9d-452d-9022-56a74a585a14.filesusr.com/ugd/4d548e_02354b3608d148a286c6e68a4ab75022.pdf?index=trueIn PDF document text
- https://204833c8-abda-4421-8777-5048ee7dd919.filesusr.com/ugd/e30b7a_b9f1652fc9c74699bab5f47c2e25bc06.pdf?index=trueIn PDF document text
- https://995be609-08d3-41b1-a6c0-90e53670bcec.filesusr.com/ugd/9988e1_e678e518a22b4ed79d92aa520e4664e9.pdf?index=trueIn PDF document text
- https://2c9641c8-5874-4869-9b94-f1378e60aa6b.filesusr.com/ugd/efc1f6_491ab99e1e38474c88fa83933723f4d3.pdf?index=trueIn PDF document text
- https://92fed17e-af34-466b-b3fe-38cd9ef27699.filesusr.com/ugd/192d58_3b159792efde4bca945a2cb591e0121d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/guvovigo/berakukuvokenelof.pdfIn PDF document text
- http://movasedumanepe.onlinewebshop.net/libro_bullying_acoso_escolar.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://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_off0000f72f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF72F | 5072 bytes |
SHA-256: a140f3371a258648cf1d122d21aac72da8f307ffb9bca71ae5a935f3c6f3a942 |
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font_01_sfnt_off00010855.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10855 | 10880 bytes |
SHA-256: 09b499b369a5f4bf0e027fe4c2c1555adce96fd6e9ab6b341138a4cc1229ac67 |
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