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 0.9997
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://medvor.ru/pbw?utm_term=landscape+pencil+drawing+step+by+step PDF link annotation
- https://cdn-cms.f-static.net/uploads/4476011/normal_6066348920d73.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4367642/normal_5fe5ff3770d0d.pdfIn PDF document text
- https://rixogotuzilil.weebly.com/uploads/1/3/4/7/134702188/fadavetazolasetubumo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445324/normal_6054a9f22743d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426060/normal_605c6ac87203d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419818/normal_6013f62cbfea9.pdfIn PDF document text
- https://xoxopazivufa.weebly.com/uploads/1/3/5/3/135398299/f61a9ae452a3ff5.pdfIn PDF document text
- https://gojodisob.weebly.com/uploads/1/3/4/6/134664442/0475bf6d238f2.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/f8bd6c35-6efe-4aa9-a6e3-234a88d28695/arborists_certification_study_guide_audio_cd_set.pdfIn PDF document text
- http://pefagisunel.pbworks.com/w/file/fetch/144487677/bunupetomuvikuxatomoritu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7dcd1f80-ac12-46e8-8557-780f5460a62c/53378645669.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/61da5249-6889-48dd-adec-02a08d5c40af/16817160372.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d80734ba-6e5e-4680-bc17-af71046bfbf5/dijokozamanufapulex.pdfIn PDF document text
- http://wusagem.pbworks.com/f/23915108867.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8a01bbb2-dece-4bb4-bd3b-4ddd26779fa2/17858559172.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/104df989-14b8-418e-9997-d5e1fc509847/how_to_turn_dish_receiver_off.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0b98dd26-2bf9-4e21-bc8e-f8b75260dff5/serge_lang_linear_algebra_3rd._ed._springer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e12f9f2b-ede5-4eea-b0fc-9e02daac9ccf/trane_xv95_furnace_problems.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c3acdce9-4fb1-484e-b33b-369ca08f5f2a/biluzonumavakajudoxifu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1ea8f19d-0026-4da1-a445-298523ea8ffa/cuento_el_grufalo_en_espaol_completo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/876535aa-711e-4cc1-ae72-56e706e8c46e/xegazuwu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/14621170-ff66-4dea-bc31-00ca72fdafe9/how_to_turn_off_maintenance_light_on_honda_civic_2016.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_off0001384d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1384D | 5516 bytes |
SHA-256: c284c5b039e7945b5ea17da03e1d484bbca05e083d884604b79378cd2efdc8cf |
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font_01_sfnt_off00014b33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B33 | 10852 bytes |
SHA-256: 34e21d0fc3f5608be15d4007d0aef82939eb86907bbf361a58616177ff287a51 |
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