MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
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://dugedepap.ru/123?utm_term=fluid+therapy+guidelines PDF link annotation
- https://cdn-cms.f-static.net/uploads/4367952/normal_604a5c54e46f1.pdfIn PDF document text
- https://fegejakir.weebly.com/uploads/1/3/5/2/135299458/nofomopusutetiviw.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450896/normal_5ff21ecd92524.pdfIn PDF document text
- https://liduwofixuxobef.weebly.com/uploads/1/3/0/7/130739348/vekames.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422622/normal_603e89536f019.pdfIn PDF document text
- https://simisodiguguvig.weebly.com/uploads/1/3/5/3/135324772/nifum-zuwagal-xoburusijefomap-dorezi.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4482636/normal_5fde365928295.pdfIn PDF document text
- http://bitalotava.scienceontheweb.net/fallout_3_wasteland_survival_guide_best_answers.pdfIn PDF document text
- https://busedulaxuxelo.weebly.com/uploads/1/3/1/3/131379622/kimav.pdfIn PDF document text
- https://xujuwoxevosu.weebly.com/uploads/1/3/4/8/134896670/9433184.pdfIn PDF document text
- http://netopodimamo.mywebcommunity.org/overview_of_c_programming_language.pdfIn PDF document text
- http://gokawojop.scienceontheweb.net/advanced_psychological_assessment.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4377379/normal_60024f7e8c791.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/jusagi/xebususoxemipoz.pdfIn PDF document text
- https://7f2467c6-0d80-4e38-8df7-27624e0b9669.filesusr.com/ugd/e19533_a4889f9511594fc9b44f99127d032b2f.pdf?index=trueIn PDF document text
- https://0b21792c-a699-4cf4-8833-5910c6ad58af.filesusr.com/ugd/b0b521_0096e31048b3465cbab3aaf9cb0ad397.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/midaguvimabof/48762719165.pdfIn PDF document text
- http://najijojovigom.myartsonline.com/benim_hocam_abt_tarih_soru_bankas.pdfIn PDF document text
- https://19e6fc83-c281-4d06-93fd-e8b16a02b90a.filesusr.com/ugd/ce5d00_8bb690b6b8c1494cb12ddd0786e57aae.pdf?index=trueIn PDF document text
- https://1c92f6d8-19eb-429c-9239-1cf6be91372f.filesusr.com/ugd/cc1a03_855d27e5b9b74bfc9bfd68ef43d7082c.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_off00010dca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DCA | 5276 bytes |
SHA-256: 54ccca04fded01f8aef00ce903fd7a62aeb5d0df71042744c22215876d07e6b1 |
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font_01_sfnt_off00011fbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FBF | 12204 bytes |
SHA-256: 959e4407309112153d5f771e1355a555412ac8459b1b8e86b94954eb0b076832 |
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