MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The primary malicious URL identified is https://xajibur.ru/strik?utm_term=stephen+king+11+22+63+book, which likely serves as a lure or a distribution point for further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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 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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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/strik?utm_term=stephen+king+11+22+63+book PDF link annotation
- https://cdn.sqhk.co/mugegiduveb/iibhejh/51023552014.pdfIn PDF document text
- https://cdn.sqhk.co/vibisidumes/haB8hhu/wind_rider_jahubo.pdfIn PDF document text
- http://aromaita.space/801003377014chov.pdfIn PDF document text
- http://glawerry.online/resus_guidelines_traumatic_cardiac_arrestsy04a.pdfIn PDF document text
- https://cdn.sqhk.co/benanejufa/jgjthad/7430776699.pdfIn PDF document text
- http://lnstagramservicecopyrights.com/how_to_repair_a_agitator_in_washing_machinelm0zw.pdfIn PDF document text
- http://yandex-delivery.cc/how_do_i_connect_my_hp_officejet_4500_wireless_printer_to_my_macf2seg.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://ac4cd5cf-e861-4b1b-a585-e47049f737a6.filesusr.com/ugd/843280_913e867c1fe74975bb9b13d9bf4f2a84.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6f3d5915-fe90-402e-bf39-9456e8009428/how_do_you_stretch_your_arches_for_plantar_fasciitis.pdfIn PDF document text
- https://s3.amazonaws.com/fajetufekejo/lunov.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9e792f07-bb36-46a5-a842-4252c179b6d5/how_do_you_reset_a_traxxas_tq_transmitter.pdfIn PDF document text
- https://s3.amazonaws.com/bifadiwuwileji/8313399751.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0ef487ca-0065-46ea-b703-b6a330085d7e/72010730686.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/00ff4b69-e81b-40cf-b0fe-9d7b44534bb6/how_much_money_is_dale_earnhardt_junior_worth.pdfIn PDF document text
- https://s3.amazonaws.com/biwuwukesazef/mutixamazasobuxizowofo.pdfIn PDF document text
- https://s3.amazonaws.com/gofilafixu/95287038469.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5c868d72-ee50-440c-a730-76918eccdfac/how_do_you_compare_a_plot_diagram_to_a_timeline_in_excel.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/df9f0236-c3b0-4a0f-9794-b06cbf9b332c/ganosupax.pdfIn PDF document text
- https://bb55feb6-a0c4-48ae-8f72-aea2c45912f8.filesusr.com/ugd/b9801a_96f88676c8684c7bb6303b8b26093265.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_off0000f913.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF913 | 5372 bytes |
SHA-256: b0486e929ee42ad4933bed1fda98d466bea23aed428a7cc7917d5c569b1fd108 |
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font_01_sfnt_off00010b66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B66 | 11564 bytes |
SHA-256: 92664588c086fba80d72db2acd339fc6f18d9906b60d7db8fd18f6f4dadb55fa |
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