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 pointing to disposable domains, indicating a link farm or phishing attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the presence of numerous external URLs and the 'PDF_SEO_LINK_FARM' heuristic suggest the document's primary purpose is to redirect users to potentially malicious or spam 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://golowaki.ru/123?utm_term=bunting+flag+template+paper PDF link annotation
- https://gesegalug.weebly.com/uploads/1/3/3/9/133999779/jufifoziludawewo.pdfIn PDF document text
- https://nabesoke.weebly.com/uploads/1/3/4/0/134042749/9411783.pdfIn PDF document text
- http://miwuzobi.sportsontheweb.net/nafta_certificate_of_origin_fillable.pdfIn PDF document text
- http://wafixevewitope.mypressonline.com/30256227261.pdfIn PDF document text
- http://pumujavebedopa.iblogger.org/66227848609.pdfIn PDF document text
- https://paxesejok.weebly.com/uploads/1/3/4/3/134348383/fafuvinadin.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://73856814-13bb-4d44-aeaf-752cce6ba6bd.filesusr.com/ugd/a0d21a_8b1137bb3cdb4f159d756cc30a8c7ab3.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/sesafefanulokam/15782810513.pdfIn PDF document text
- https://s3.amazonaws.com/divelatoxa/compressed_sheet_mask_tablets_miniso.pdfIn PDF document text
- https://s3.amazonaws.com/jajoxulabojaso/91666316316.pdfIn PDF document text
- http://wojibikifi.myartsonline.com/create_technical_documentation.pdfIn PDF document text
- https://69cf8a46-0d3d-4b71-8fd1-93df925da18e.filesusr.com/ugd/e4064d_5f7c6ebd9ea2470d83f32f409e77f6f5.pdf?index=trueIn PDF document text
- https://94db4134-5784-44c5-a63d-963e509970fa.filesusr.com/ugd/9c58c5_afbfb053e1b446679ade2788291e39e4.pdf?index=trueIn PDF document text
- http://lugifer.onlinewebshop.net/biology_textbook_11th_grade.pdfIn PDF document text
- http://zepakom.rf.gd/offline_study_bible_for_pc.pdfIn PDF document text
- https://510adc33-753b-44c0-977e-8d34da8fcdd4.filesusr.com/ugd/5f4192_6ba2cd837cef4c5e831c57adce49deaa.pdf?index=trueIn PDF document text
- http://rulenanevatetid.epizy.com/93140766760.pdfIn PDF document text
- https://d80f29e5-b60c-4034-b355-14c03cb49cca.filesusr.com/ugd/ff44ec_b7a415f1477d4750bf80491d14784e78.pdf?index=trueIn PDF document text
- https://8fa10226-37c2-454d-bd65-ced70ecbf0c4.filesusr.com/ugd/c34aa9_4085dba87cfb43dfa641c075851a35c3.pdf?index=trueIn PDF document text
- https://69f6cc44-9198-4e41-bafa-43503dba92bf.filesusr.com/ugd/dec231_8ab48d0a78d4479dabbc28f1a2bc9b13.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_off0000e797.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE797 | 5092 bytes |
SHA-256: e7214f2aae811a4e43c12f706172f9cbe0d078b9631cc58ff309067014e45146 |
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font_01_sfnt_off0000f8de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8DE | 11524 bytes |
SHA-256: 3066bfcf003b6ab5711ebed36d20ff2eea6e88d7e1b3c339823edc964e361a09 |
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