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 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://zajinet.ru/strik?utm_term=what+was+the+result+of+treaty+of+hudaibiya PDF link annotation
- https://sivevaredewiw.weebly.com/uploads/1/3/4/4/134464028/guzuderiledijo-wirekuzidilaw-vowatugetatuve-mazasezezulenuv.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367923/normal_603a63a837bb6.pdfIn PDF document text
- https://mubasaji.weebly.com/uploads/1/3/4/8/134846322/585684.pdfIn PDF document text
- https://xasigusuvenazuj.weebly.com/uploads/1/3/0/7/130739755/mofota-bovimowudup-bunijex.pdfIn PDF document text
- https://menuvinowit.weebly.com/uploads/1/3/5/3/135320060/meganiwukem.pdfIn PDF document text
- https://cdn.sqhk.co/futogifoku/ajf7jh5/46402064163.pdfIn PDF document text
- https://cdn.sqhk.co/gonolesuzam/40xvaHe/7809047873.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454995/normal_606990977460a.pdfIn PDF document text
- https://cdn.sqhk.co/nadevukoved/hGsacq9/mewem.pdfIn PDF document text
- https://cdn.sqhk.co/sawibevas/4hfhiij/sulajigisezigo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467927/normal_60501200dec90.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389616/normal_606ab73b5f46b.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://77ac2d45-d533-4b4b-a85c-01e81860bff9.filesusr.com/ugd/7f1ad7_066c7e9c2dfd4daca8bc09a7edd3dbd1.pdf?index=trueIn PDF document text
- https://74bb8966-1fc2-43cb-a641-24c20f380d28.filesusr.com/ugd/84c7b5_fc721d9d4b0345b6b64a759241a4b3ce.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c131604d-8a41-487e-80eb-cc3d5cfd4ab7/sentence_comprehension_worksheets.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a9b9f841-3391-40fa-b9b6-b2343f2d15a6/3755211238.pdfIn PDF document text
- https://69f6cc44-9198-4e41-bafa-43503dba92bf.filesusr.com/ugd/dec231_c38e6256db4a4aafa03fd6736fce5a11.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/fd3d8eef-8991-4da5-821e-86aa0ba40593/84792363498.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3ec77eae-1bdb-4097-83b4-9def519aa5ed/walmart_photo_promo_code_2019.pdfIn PDF document text
- https://5d3a3edc-1384-4eb0-a354-174dd54c13aa.filesusr.com/ugd/7f5dc5_55998432f2544c6ebb4bdfe5b4d3c7c0.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8c5041c2-5ade-4258-964e-e3ba72ef4365/29477306448.pdfIn PDF document text
- https://b3a1a1c9-4f8f-4fb8-b7cc-7339030cc889.filesusr.com/ugd/162fe6_8915f3b4752241ceaa8d41ec4fd3c0a4.pdf?index=trueIn PDF document text
- https://952d9f4b-853a-4e85-af28-23c4d489d487.filesusr.com/ugd/8db125_4675c9a431fc4b5c8b5698d9b40829b7.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_off0001b84e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B84E | 5344 bytes |
SHA-256: aa9d409fb82f59a884b087427e78d81d8b528fd33a453f5ca2f40c1776ebb87b |
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font_01_sfnt_off0001ca91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CA91 | 11524 bytes |
SHA-256: f7f8bc2df756ea472b35ec2bdd56f9853ffd0d1dfe8716c39e302655b9d0f1e7 |
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