MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous embedded URLs, with one prominent URL pointing to a domain associated with link farms and potentially malicious content. The document body, though heavily obfuscated, suggests a lure related to 'current affairs PDF in English', likely intended to trick users into visiting the linked site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 5
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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 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://leonvi.ru/award?keyword=april+2020+current+affairs+pdf+in+english PDF link annotation
- https://cdn-cms.f-static.net/uploads/4409619/normal_6054c154dc3f8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420608/normal_604187f1db463.pdfIn PDF document text
- http://tesevamomavuruf.22web.org/71450635230.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488569/normal_6049ba6f53e42.pdfIn PDF document text
- http://vegixojarek.iblogger.org/gugirawatowifizaru.pdfIn PDF document text
- http://lanabinowexibum.22web.org/english_grammar_rules_tenses_chart.pdfIn PDF document text
- https://cdn.sqhk.co/sidamebo/yjajjco/41334644642.pdfIn PDF document text
- https://cdn.sqhk.co/nanagajog/hahjOhg/calgary_transit_application_form.pdfIn PDF document text
- http://kugugulobirujut.22web.org/dulufipuvono.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
- http://fedorahosted.org/lohitIn PDF document text
- https://da99f664-88c7-4a27-98aa-0bbcec2e8f57.filesusr.com/ugd/66f3f9_1380fe3a213849d29d3223f0ec5d4321.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xezujuxoz/navopemenixiwetudiza.pdfIn PDF document text
- https://da99f664-88c7-4a27-98aa-0bbcec2e8f57.filesusr.com/ugd/66f3f9_8bfb3db6c9ae42058d4204227268c2f9.pdf?index=trueIn PDF document text
- http://xurorovesi.epizy.com/booklet_printing_template.pdfIn PDF document text
- http://pugagewuda.rf.gd/daboz.pdfIn PDF document text
- https://s3.amazonaws.com/vuliwisuwig/62810769825.pdfIn PDF document text
- https://f8d82b49-d438-4da2-b906-f876cb6fe635.filesusr.com/ugd/12dc78_50638ca06e9c44839c74831c568315d9.pdf?index=trueIn PDF document text
- http://nirirojigupe.epizy.com/44497525479.pdfIn PDF document text
- https://s3.amazonaws.com/wovigebi/firefox_52._3._0_offline_installer.pdfIn PDF document text
- https://14864a69-2465-45da-a912-c6f78a3f99b9.filesusr.com/ugd/409ca8_62a7f448547e402582fab182821ddfdf.pdf?index=trueIn PDF document text
- http://zovuzizosagedip.epizy.com/catheter_ablation_of_cardiac_arrhythmias_4th_edition.pdfIn PDF document text
- https://6632aaff-1fe9-4f1d-acb3-7d444e457837.filesusr.com/ugd/ce4b7c_2693ca0421b74084aa272020e2ea886d.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000103f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103F8 | 3564 bytes |
SHA-256: 920ba970d087b6443c0684bf3e433214246ad16d073d5f82f0750c9428d47b74 |
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font_01_sfnt_off000110af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110AF | 5452 bytes |
SHA-256: acc7e1604f4f7678a7a1c61f50f67664bdc376e8d1f65d885722d6072b9759e0 |
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font_02_sfnt_off00012328.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12328 | 11096 bytes |
SHA-256: a4819427689551bf092344be459ca481b88971e14df0a3b6939441fa9e515912 |
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font_03_sfnt_off000148fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148FD | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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font_04_sfnt_off000156fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x156FE | 2832 bytes |
SHA-256: d7a1248cabf161ff78a072bd924b98f1b4e551660f4e151c9433689786990c0c |
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