MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to disposable domains, indicating a link farm or SEO manipulation tactic. One critical heuristic identified links to known malicious redirector infrastructure. The ClamAV detection and ML classifier further support its malicious nature, likely as a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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/wix?keyword=cubes+strategy+pdf In PDF document text
- http://luzofogobud.22web.org/how_to_create_a_case_study_report.pdfIn PDF document text
- http://fiwudowa.22web.org/monuberemopufas.pdfIn PDF document text
- http://copyright-services-us.com/troy_bilt_super_bronco_xp_50_parts_diagram501w8.pdfIn PDF document text
- http://copyrightsafetyhelps.com/30801636300s9e3l.pdfIn PDF document text
- http://mavidodi.iblogger.org/7763947160.pdfIn PDF document text
- https://xizuxikeg.weebly.com/uploads/1/3/0/7/130740292/650b20.pdfIn PDF document text
- http://nadahul.ru/mewezusosegunolopuslv2z2.pdfIn PDF document text
- https://vezajufarazigur.weebly.com/uploads/1/3/4/2/134265717/069ebf2ec5cf8.pdfIn PDF document text
- http://pressit.space/jevijafomowusulagutajon284fq.pdfIn PDF document text
- https://zelopira.weebly.com/uploads/1/3/5/9/135990333/8876169.pdfIn PDF document text
- http://tewazezila.66ghz.com/57070187800.pdfIn PDF document text
- http://xeeewq.xyz/nazim_hikmet_almanca_iirlern79j5.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/58c60452-93d0-436c-b50f-8a8bdb26fe57/what_is_the_best_remote_heating_control.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/58ba0428-3c86-4b5e-bc18-2821c6ffcbc7/oster_6_cup_rice_cooker_replacement_parts.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/77820974-20ec-4be4-8447-84f69a2a9c9a/pbs_les_miserables_25th_anniversary_concert_cast.pdfIn PDF document text
- http://ribipusoj.rf.gd/sebi_alternative_investment_funds_regulations_2020.pdfIn PDF document text
- http://ligededeju.epizy.com/13153947672.pdfIn PDF document text
- http://kabumaja.rf.gd/54374665048.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c400b232-067f-457d-8705-7fdf9f9d4085/kamugosogizorudewowok.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/18f0afae-c7d7-4844-a4cc-e76abbeaa5b9/69944377095.pdfIn PDF document text
- http://rozopujonabesix.epizy.com/algebra_2_practice_workbook.pdfIn PDF document text
- http://joretewad.epizy.com/wedding_planning_budget_template_excel.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e2f4559d-0e5b-4a7e-b44d-f9112aacf5a5/vasefezapof.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a8a06ab4-0203-4d00-8aa6-d1257cbef51e/how_to_learn_english_grammar_step_by_step_quora.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6ec3f5fd-7bce-411d-a111-b1341d230142/tididu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1f7f545a-105f-401a-bd36-b0055ce33aec/45573509206.pdfIn PDF document text
- http://fanutebuxus.rf.gd/arduino_uno_smd.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ffd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFD7 | 5324 bytes |
SHA-256: 7ddeb6e4e625054d6296f7274b48a9ddba736cf24717b6014a7835cc90714ff8 |
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font_01_sfnt_off000111ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111FF | 11100 bytes |
SHA-256: 3401c9204a35ea1cf55dab81add30ff29c53175bce221c36d1e243fe001ee91b |
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