MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous embedded URLs, many of which are hosted on disposable domains and appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The primary malicious URL identified is https://xajibur.ru/wix?keyword=ap+human+geography+unit+2+study+guide+answer+key, which is presented as a study guide answer key to entice users.
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://xajibur.ru/wix?keyword=ap+human+geography+unit+2+study+guide+answer+key PDF link annotation
- https://cdn-cms.f-static.net/uploads/4408172/normal_603b5aebc1c3d.pdfIn PDF document text
- http://giwudogor.scienceontheweb.net/atal_pension_yojana_details.pdfIn PDF document text
- https://cdn.sqhk.co/nejijilo/dcwTPZa/95252272648.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4481417/normal_5ff7682a17263.pdfIn PDF document text
- https://cdn.sqhk.co/dunuxorigu/TVZjbhe/android_box_4k_mxq_pro.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387698/normal_6055621d5350e.pdfIn PDF document text
- http://dupigetibulira.iblogger.org/carry_on_jatta_movie_free_mp4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444622/normal_602d0bff47801.pdfIn PDF document text
- http://pazifelurup.medianewsonline.com/recette_de_cuisine_algrienne_gratuit.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/900f5a61-8b84-4210-baf7-53244f1c00c4/how_to_score_reading_comprehension_on_ktea_3.pdfIn PDF document text
- http://gasukexopesifu.epizy.com/calculus_early_transcendentals_solutions_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/47681d4f-b985-4719-b099-0c4bfd6a7b5e/whitfield_pellet_stove_serial_number_location.pdfIn PDF document text
- http://wepuwuzuvam.epizy.com/bodybuilding_exercises_with_pictures.pdfIn PDF document text
- http://dodujorumapide.epizy.com/xidumiv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2a0badcc-a106-46e3-8de6-465caa90118c/56416515046.pdfIn PDF document text
- http://wumurunapaxilar.rf.gd/bebapeberezixuraki.pdfIn PDF document text
- http://favagapararo.epizy.com/american_authors_believer_free.pdfIn PDF document text
- http://sunulenebesug.rf.gd/31756901292.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7a1f8ff4-99c4-4d19-b65e-ed201900fbfa/73718073450.pdfIn PDF document text
- http://rorazizaxaf.atwebpages.com/gunelepisop.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7912c246-8485-4ae7-990f-009bd27c67e3/kulojanoxagemerina.pdfIn PDF document text
- http://jagogapibibolin.epizy.com/wopodekomurumuwe.pdfIn PDF document text
- http://wivifizurata.epizy.com/67453556655.pdfIn PDF document text
- http://repafow.epizy.com/fepunubanoxosubujopawuba.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fa3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA3F | 5720 bytes |
SHA-256: 57828dc475599fbbe53d19ce2a1aee6bd248b1d37f1cb7a2236f5b3611f03e5e |
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font_01_sfnt_off00010da9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DA9 | 11028 bytes |
SHA-256: 6aa8d6887ebb54ce4951855076998cba196006a0d3a9ba8265496a9c52c142ef |
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font_02_sfnt_off00013381.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13381 | 16116 bytes |
SHA-256: f8e326b96df6c0457890c6346fd7f60b91beb129051a642dbd03fdf119a21fd7 |
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