MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or malware distribution attempt. The presence of multiple external URIs, including one on 'jacksth.ru' with a 'utm_term' parameter suggesting a tracking link, points towards a lure to a malicious site. The heuristic 'SE_URGENCY_LURE' further supports the phishing pretext, though the document body itself is heavily obfuscated and does not provide direct textual clues.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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 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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://jacksth.ru/strik?utm_term=how+to+convert+photo+to+avatar+character PDF link annotation
- https://cdn.sqhk.co/wepunajexiju/MlHddgd/mutefomelobawugevanawol.pdfIn PDF document text
- https://cdn.sqhk.co/poxirowo/x9SOgiw/kiregoxogudebamuv.pdfIn PDF document text
- https://cdn.sqhk.co/wadupaxi/bLigxgd/ropezo.pdfIn PDF document text
- https://cdn.sqhk.co/jumosanex/bZViagc/virus_stats_california.pdfIn PDF document text
- http://clipshd.design/677039366330f0bi.pdfIn PDF document text
- https://cdn.sqhk.co/tarozawowe/3hbYjdC/98497695943.pdfIn PDF document text
- https://cdn.sqhk.co/kisereta/c6igKgh/hmrc_online_cis_reclaim.pdfIn PDF document text
- http://naturka.space/40k_codex_freeq3hak.pdfIn PDF document text
- http://alkostore.xyz/how_to_make_music_on_logic_pro_x1i4u6.pdfIn PDF document text
- http://tonagruz.ru/dozededozumijowatqtyb.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://gafejufojivu.epizy.com/free_danielson_framework_lesson_plan_template.pdfIn PDF document text
- http://tugepujato.rf.gd/guitar_chord_chart_complete.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9f9b1ebc-bd1d-4a68-8744-921cfe79cd98/mobesadubesafotiwe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/46aee511-8178-4276-9674-90ebe778e8c8/costos_de_calidad_y_no_calidad_ejemplos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/95bb8caf-c289-4222-bcb0-b90dbd052efd/ti_nspire_cx_ii_cas_vs_hp_prime_g2.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/53353e74-4976-4901-8e20-ec8e1b01181a/truearth_case_study_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7392141a-aa0c-403e-abdb-9c6eed7825c7/39804362886.pdfIn PDF document text
- http://rajamuviw.epizy.com/71053401359.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6d8bac93-ff9c-4ab9-b0f7-3bf850ba5c65/ledevorolikipa.pdfIn PDF document text
- http://ribobejan.rf.gd/1611_kjv_apocrypha.pdfIn PDF document text
- http://woxutonugosafer.epizy.com/boxixemozekukawor.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fbe051eb-4fad-48f2-a60d-2c1f5d23ac71/used_dillon_reloading_press_for_sale_craigslist.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/78793bf6-397a-4310-8443-d23474d09fe9/vikovululu.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_off0000fd91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD91 | 4924 bytes |
SHA-256: e61713d47130c66b561b5504ad407864587d86c2935cc796f954508c70c328fc |
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font_01_sfnt_off00010e62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E62 | 11060 bytes |
SHA-256: c3942c187190df87e435031882f6cce1bb702a6fd853d5928e5753128dde7b36 |
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