MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many of which are embedded within the document's text and point to various PDF files. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass external link farm, and 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests these links are on disposable hosting. The presence of an embedded URL and the ClamAV detection as 'Pdf.Phishing.Trojan' strongly suggest a malicious intent, likely related to phishing or SEO abuse.
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://leonvi.ru/strik?utm_term=list+the+raw+materials+needed+for+photosynthesis PDF link annotation
- http://podeves.xyz/last_minute_cruise_deals_from_southampton_august_20199ezqm.pdfIn PDF document text
- http://kivolugog.mypressonline.com/reniwamexukese.pdfIn PDF document text
- http://domavera.ru/mubofetixukuginem9ac7h.pdfIn PDF document text
- http://tulusujubige.mygamesonline.org/skf_bearing_puller.pdfIn PDF document text
- http://sochi2026.com/fisatunuperexezulu2pgw4.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/4afef7af-e5b7-4534-a778-be9912ee022b/what_organisational_structure.pdfIn PDF document text
- https://26c1613e-5d28-4fa3-89cb-3d2c9ab59faf.filesusr.com/ugd/fe83c3_4d3b736fe42e46c08b5f7229b5ec05dd.pdf?index=trueIn PDF document text
- https://8c56b32b-3398-45d6-9c0b-b55146621f16.filesusr.com/ugd/6924eb_ca4c44a39c4f4718a4397d68f766c6ad.pdf?index=trueIn PDF document text
- https://0e8f88b9-656e-4b05-9cd8-8bd477f85547.filesusr.com/ugd/95b9ea_848d401599704f9eae58b53abc9c7591.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bubeto/57998162508.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6af0b942-33be-4598-b5e2-378a49d02744/gifovadubunugimoto.pdfIn PDF document text
- https://6440a9f6-5e82-4153-977b-4ffe9374ec4a.filesusr.com/ugd/7182f3_091faebff1bd4bfca1a2ffd297d295f7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f339db8b-ccc9-4fa6-91f2-7ea90ef80c69/fe_mechanical_review_manual.pdfIn PDF document text
- https://badbb018-ab4e-499b-b788-960949b82e3d.filesusr.com/ugd/4f4c56_be53f58806b64d10b7e96cb32afaba74.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xovekolamoxe/bonnier_kundeservice_iform.pdfIn PDF document text
- https://03386fec-e341-46be-bf9f-2f2bd19f9bfe.filesusr.com/ugd/bf57b5_c14d35157e1e46a69662a04f7cdc094d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/piwanisaj/photo_frame_3d_max_model_free.pdfIn PDF document text
- http://begujewirefe.myartsonline.com/82320001906.pdfIn PDF document text
- https://s3.amazonaws.com/lanubili/83882210947.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4f06844b-8826-4685-ac24-39819fa0ec2f/what_happened_marbury_vs_madison.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000130da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130DA | 5204 bytes |
SHA-256: b782d399588f8940c4d52a385e322732936f318271620aac9f97abdfd95763dc |
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font_01_sfnt_off0001427a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1427A | 10964 bytes |
SHA-256: 0af30df5934fb6a5e10ec55149effe18952148098f9ddb1c00d615b33024cb13 |
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font_02_sfnt_off000167d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x167D8 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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