MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm designed to redirect users to malicious websites, as indicated by the 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_LINK_FARM' heuristics. The primary malicious URL identified is dafemum.ru. While no scripts were extracted, the structure and heuristics strongly suggest a phishing or redirection attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://dafemum.ru/strik?utm_term=what%2527s+my+love+language+test+buzzfeed In PDF document text
- https://ranefegol.weebly.com/uploads/1/3/4/4/134498511/resujege.pdfIn PDF document text
- http://cloudmarket.website/percy_jackson_first_book_plote9ol7.pdfIn PDF document text
- http://vixojejuzata.iblogger.org/tizedabuse.pdfIn PDF document text
- http://bitcoins-profits.com/savenidiruwokb24pd.pdfIn PDF document text
- https://tulovituvo.weebly.com/uploads/1/3/4/2/134234708/765590.pdfIn PDF document text
- http://dasuwupozu.22web.org/powerpoint_template_technology_roadmap.pdfIn PDF document text
- http://instahelpforbusiness.com/loligena5moxl.pdfIn PDF document text
- https://sugowixo.weebly.com/uploads/1/3/4/5/134588459/b026517a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://4a5660cc-52a2-48ff-9acb-4b4f1704cb6e.filesusr.com/ugd/81868d_776347169e87497fa6f6e95ee60ee6d8.pdf?index=trueIn PDF document text
- http://merovuditipin.onlinewebshop.net/53024825678.pdfIn PDF document text
- http://vujofif.epizy.com/89985993786.pdfIn PDF document text
- https://90ff81fc-98d9-4e53-96a3-aaa5c1c2042e.filesusr.com/ugd/bb5aff_5529a04db2334520a9af13598242b4a4.pdf?index=trueIn PDF document text
- https://cb2d4818-2134-4ea5-ae57-1bc45cfc4292.filesusr.com/ugd/7e787c_00c5eae8a59347b89440999c76bf7516.pdf?index=trueIn PDF document text
- https://9db8f275-5044-409a-aa1b-3306d9dda9bd.filesusr.com/ugd/361f4b_cddd6623681d49fd848dfb7b76a2e0f5.pdf?index=trueIn PDF document text
- https://0ed7c29b-d5f2-4290-8b47-add6aa38300d.filesusr.com/ugd/32a223_b84ce8cc6f2b4de6801ea7780901522b.pdf?index=trueIn PDF document text
- https://bcbc83ff-a82b-4234-bf1d-c69e8cae54d5.filesusr.com/ugd/057c82_c58f0e9e16de44ea9679aa27bdc9666f.pdf?index=trueIn PDF document text
- https://95fbbc11-640f-4658-acdf-6e09da746871.filesusr.com/ugd/e42ee3_f4ddb70ba0e845eea46ddc72f1609c6f.pdf?index=trueIn PDF document text
- http://sidukumu.epizy.com/38689768939.pdfIn PDF document text
- http://donakabaxes.epizy.com/brookfield_rvf_viscometer_manual.pdfIn PDF document text
- http://nuluwajewugutik.onlinewebshop.net/cul_es_la_dosis_de_metronidazol_para_adultos_250mg.pdfIn PDF document text
- https://e57d8632-f742-4524-ada6-9cdf759d9f13.filesusr.com/ugd/b0cb2d_8f48016d89174e92b877414478d5112d.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_off0000eef3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEF3 | 5624 bytes |
SHA-256: 6a592912f6a15bfd6323280a3f33be121427c9fb3a9a694c37855eab4990b002 |
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font_01_sfnt_off0001021d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1021D | 10928 bytes |
SHA-256: afbe0aff2b1ea4b285c4ef1a6910afcba169a85239e8d5616a802ec1a1d40148 |
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