MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, identified as a 'link farm' by heuristics. Many of these links point to other PDF files hosted on disposable domains, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or delivering a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://ponafet.ru/strik?utm_term=the+lightning+thief+book+chapter+3 PDF link annotation
- http://tutavizukatafoz.22web.org/calendario_laboral_barcelona_2020.pdfIn PDF document text
- http://gufutaca3.xyz/pukimexubovurakugetiry4rf.pdfIn PDF document text
- http://rimaloxal.22web.org/bake_off_application_form_2019.pdfIn PDF document text
- https://faxilazow.weebly.com/uploads/1/3/4/7/134725206/3074538.pdfIn PDF document text
- http://nesobaka3.xyz/xugitobelutilijtgwp.pdfIn PDF document text
- https://gutusalewizewuj.weebly.com/uploads/1/3/1/8/131871657/8234810.pdfIn PDF document text
- https://pusasosabuni.weebly.com/uploads/1/3/4/6/134654602/xemixobabivadog.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457011/normal_601f7beb9d57d.pdfIn PDF document text
- https://fulopovesaj.weebly.com/uploads/1/3/0/7/130740112/8433932.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414358/normal_6026bdb2e1d1f.pdfIn PDF document text
- http://tokio-2020.fun/wosomop93f81.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417408/normal_604b4c1293160.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/29020d20-1ef6-46ca-9e18-1be25418170b/zuporawezifuduvafet.pdfIn PDF document text
- http://zuwarikufaz.epizy.com/iata_airline_industry_report.pdfIn PDF document text
- http://gataxewokos.epizy.com/nijedububipiz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/82e0706a-feea-44a6-a8ac-9876dcd69dab/wupawulesutibo.pdfIn PDF document text
- https://f39f7cea-6337-46de-af4f-699959e6db0a.filesusr.com/ugd/004672_059cc5d7dc06407d8608387c3bccef81.pdf?index=trueIn PDF document text
- https://748e62c5-a849-4dff-87e7-3b5f74cb3522.filesusr.com/ugd/0df896_c71beaa65c5b4a6d976014279d2036bd.pdf?index=trueIn PDF document text
- https://03a45e23-20c9-4b13-8d21-50c2609e56df.filesusr.com/ugd/502f3d_2d810432570c465492552df7e6700996.pdf?index=trueIn PDF document text
- https://b24036c1-08f6-4d5b-b8c9-f4c47f26e437.filesusr.com/ugd/ae9acc_61d2e2fd95d24b39805bd77767ff7928.pdf?index=trueIn PDF document text
- https://f6e2a16f-d004-42cd-8f17-0463e090774c.filesusr.com/ugd/c70c35_2df931e4bf7743df809a322cf82c5d9b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8bc094a6-d3c6-4259-98d2-feec4cdef4d2/is_ashes_to_ashes_on_netflix_uk.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_off000115a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115A6 | 5204 bytes |
SHA-256: 6e3f53ffa6b5158125ea413f39dc7754a4eab8f19c8ed789649e5b9af99fe056 |
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font_01_sfnt_off0001274f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1274F | 10352 bytes |
SHA-256: f7dba2a1000e032e7a2033c6ecba1b0d859a5d2ef9f90d962d91b586feb43b36 |
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font_02_sfnt_off00014a8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A8E | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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