MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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=discrete+probability+distribution+problems+and+solutions+pdf PDF link annotation
- http://dewemopiwofim.22web.org/puzzle_and_dragons_z_monster_guide.pdfIn PDF document text
- https://paxowudozu.weebly.com/uploads/1/3/6/0/136095727/guneg.pdfIn PDF document text
- https://cdn.sqhk.co/xelajuwodaf/rgdgeja/kuxageboje.pdfIn PDF document text
- https://papukelub.weebly.com/uploads/1/3/4/6/134666119/8672254.pdfIn PDF document text
- https://cdn.sqhk.co/ketegobuto/hidrjcw/tuxejudun.pdfIn PDF document text
- https://cdn.sqhk.co/mobirewin/hwgjhc5/another_word_for_love_letter_in_french.pdfIn PDF document text
- https://cdn.sqhk.co/nokotadi/M90ggND/underhand_throw_lesson_plan.pdfIn PDF document text
- https://jetukuzimol.weebly.com/uploads/1/3/2/6/132695660/noxivuxukipumu_kogitorijevive_sebelasut.pdfIn PDF document text
- https://cdn.sqhk.co/motuxeneb/Njglhfj/twitter_login_codeigniter.pdfIn PDF document text
- https://cdn.sqhk.co/zoravuzulop/fghrhgI/download_game_sky_baron_war_of_nation_mod.pdfIn PDF document text
- http://gojazot.22web.org/what_does_the_table_symbolize_in_hills_like_white_elephants.pdfIn PDF document text
- https://cdn.sqhk.co/xuxozowaki/yhbihjc/python_create_a_list_of_numbers_in_range.pdfIn PDF document text
- https://cdn.sqhk.co/sarimotel/Ro6xja2/kunasosilovezer.pdfIn PDF document text
- https://nipawivas.weebly.com/uploads/1/3/2/6/132680981/7977325.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/f00f879b-e8e2-487b-a7d3-e015843a9010/luvuvutizoduzaruk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d70dcedc-4d0e-4424-a149-e1e8801eae14/suxerikuluja.pdfIn PDF document text
- http://repawejijob.rf.gd/begate.pdfIn PDF document text
- https://s3.amazonaws.com/vovopafubipu/les_miserables_abridged_james_k_robinson_audiobook.pdfIn PDF document text
- https://s3.amazonaws.com/rebomedug/plantronics_backbeat_fit_connect_to_multiple_devices.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dd03a910-d8cd-46fd-8517-833cb3510440/sujotozadoxaxovogiru.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c5a38666-e82b-4da9-91e9-4322f5082697/how_to_assemble_luvlap_baby_bouncer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1c6344f8-1728-485f-8d94-b1196551cafa/does_alkaline_water_flush_out_toxins.pdfIn PDF document text
- https://s3.amazonaws.com/dogevazapiwediw/wopoxalujifa.pdfIn PDF document text
- http://nawopadawejiw.epizy.com/english_b_guide.pdfIn PDF document text
- https://s3.amazonaws.com/popisiburewixuj/maximum_principal_stress_theory_of_failure_was_postulated_by.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_off0000f52e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF52E | 5540 bytes |
SHA-256: da609fe83fe8ad552e6283dc51395ae442e50f5aecac28f32e53ea290fc665b8 |
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font_01_sfnt_off000107fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107FA | 11304 bytes |
SHA-256: d9126169adca51ac1d570b08a728ed718ed531874ddeb0a217a3848def167e62 |
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