MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to disposable domains, suggesting a link farm designed to distribute malware or conduct phishing. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, appears to be a lure related to educational worksheets, which is a common tactic for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://jumiwimov.ru/strik?utm_term=perimeter+area+and+volume+worksheets+pdf+grade+6 PDF link annotation
- http://blue-tick-central.com/twilight_new_moon_soundtrack_downloa36o3w.pdfIn PDF document text
- http://tufofol.medianewsonline.com/76067864350.pdfIn PDF document text
- http://tiktokcopyrighthelpteam.com/can_you_drive_alone_with_your_permit_in_massachusettsvqr42.pdfIn PDF document text
- http://kogutojoveso.mywebcommunity.org/what_is_the_setting_at_the_beginning_of_araby.pdfIn PDF document text
- http://bridgecommerce.com/environmental_science_a_study_of_interrelationshipsf0bxz.pdfIn PDF document text
- http://sevastopol.sale/gukuvebulanewufivgog8w.pdfIn PDF document text
- http://hargotel.xyz/how_to_make_soap_using_coconut_oil_and_lyedcy42.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://gubadif.myartsonline.com/bivarepokipu.pdfIn PDF document text
- http://levapoloj.onlinewebshop.net/fedozifuwexum.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/171a3dc7-e54a-48ad-b96c-3c3c9f6aaab6/15134282341.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cc022179-d44e-40f3-ac69-249d96b09ec2/pawagoragowoj.pdfIn PDF document text
- http://bixozebaxikapos.atwebpages.com/besobuwamosadijuzelodi.pdfIn PDF document text
- http://zesafemumibow.myartsonline.com/damituzerodekamaxo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d6a35fb8-b52e-47f6-bae2-21e5cbf0e1c4/american_standard_furnace_model_numbers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aefb732c-1c39-49e5-808e-37556f900267/55786671115.pdfIn PDF document text
- https://8f6f9f04-f977-4239-955d-f6aecf2dd879.filesusr.com/ugd/81cd61_e79bc97b3c824470986fe6ba491f3550.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a07d5b4a-4c2c-44ce-9c11-7044d03ee4dc/vadakitabuzanawuwurelevar.pdfIn PDF document text
- https://6f8cb219-4830-455d-9ced-b55e65700e85.filesusr.com/ugd/fd30ac_a5f51467bb0d4e82a304b32c13f221b4.pdf?index=trueIn PDF document text
- https://f98f40d2-b649-4e6b-99af-b89bbf2331ff.filesusr.com/ugd/724bd4_af0fecf78ae742a38bfa72d92652752d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7f9a0318-b48c-4bc5-af05-52db3e3dcfc3/q_see_camera.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/640b73ed-b3a2-4ad7-964b-3eec39df4e27/gevafofubomib.pdfIn PDF document text
- http://nabafutig.myartsonline.com/how_to_calculate_speed_of_alpha_particle.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b8fb60ea-4da9-4a02-82a6-09cb3fa30ddd/how_to_write_a_fiction_story_anchor_chart.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_off0000e809.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE809 | 5828 bytes |
SHA-256: f10d612ff739ce8e4904b36676b065898c8b10dd9513e949383efd78d271aba2 |
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font_01_sfnt_off0000fbcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBCB | 10656 bytes |
SHA-256: 5a449ba1c5865f1c82ff14b07f07bd7990df86115458da58b4b10553a2562cc8 |
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