MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, with one prominent URL pointing to 'zajinet.ru' and containing search terms related to a game download. Heuristics indicate this PDF is a link farm on disposable hosting, and ClamAV detection confirms it as a phishing trojan. The ML classifier also strongly flagged this PDF as malicious, suggesting it's designed to trick users into visiting a malicious site for further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
Heuristics 5
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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 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/123?utm_term=castlevania+harmony+of+despair+pc++gratis PDF link annotation
- http://pe50off.info/wirobireruvitww.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475209/normal_603fea04eedad.pdfIn PDF document text
- http://in-step.shop/homebrewing_for_dummies_free_downloadcimh6.pdfIn PDF document text
- http://bcipreactivaperu.com/ka_mun_rahrrh56.pdfIn PDF document text
- http://gutemirofexobu.iblogger.org/addition_and_subtraction_basic_facts_worksheets.pdfIn PDF document text
- http://photoforce.ru/karate_do_kyohanqamfj.pdfIn PDF document text
- http://biweekamnf.com/how_long_are_eyelash_extension_courses917u1.pdfIn PDF document text
- http://nemesun.iblogger.org/kepug.pdfIn PDF document text
- http://useplafond.xyz/jowevelimufaj44i.pdfIn PDF document text
- http://baluninelekab.22web.org/59737143127.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458150/normal_5fe68baa1128f.pdfIn PDF document text
- http://naturapple.space/xiwapofomirisojy6n1.pdfIn PDF document text
- http://vobefoli.iblogger.org/ti_nspire_cx_ii_t_cas_occasion.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452389/normal_5fd63f7a4f70c.pdfIn PDF document text
- http://mybatut.store/animal_encyclopedia_in_hindi45gke.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://1b65b899-5fad-42bd-af9e-a3fb1d6a4c80.filesusr.com/ugd/a2ebd8_d75ab77ad6af4431841ce4f8badd7927.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jumedemimo/good_books_for_3rd_grade_guided_reading.pdfIn PDF document text
- http://pinogizege.rf.gd/82524958663.pdfIn PDF document text
- https://eed7fa7e-4f31-4ba6-8269-e73f07ac74c5.filesusr.com/ugd/93374d_a4a331e4c3404ad2bfc537109aa2abec.pdf?index=trueIn PDF document text
- https://1a6c606f-1efd-495f-9370-57f425d809fd.filesusr.com/ugd/1be480_83c4ebfe148d44dcbd032ece10ff6b98.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tixedujegibex/calendario_serie_b_19_20.pdfIn PDF document text
- https://ec8c99fd-5413-4e38-b6a0-2ccbba71fc6f.filesusr.com/ugd/de02f3_5e472587c9644e959509993461ac1782.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bokofapig/correct_verb_forms_exercise.pdfIn PDF document text
- https://db2cba7c-d19d-4716-84d1-34a39f54132a.filesusr.com/ugd/10b03a_e358fa74e695489a9e536103f3257636.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fa8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA8A | 8644 bytes |
SHA-256: a5bf42eabdf5f01f7771b7c9285353099bb4c9485353ba9d3687af2ca2fc03ce |
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font_01_sfnt_off0001177e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1177E | 5636 bytes |
SHA-256: e5c0aa12bfe8c2d1d53c52662c312c9901254b6a7b2d5c33258c992245e666bc |
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font_02_sfnt_off00012a8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A8E | 12552 bytes |
SHA-256: 08e903d0c15a8db764db994d6a3e56d85261387e59cef628270ceea20c6b08c1 |
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