MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous external URIs, including one pointing to 'midufefew.ru' which is likely a phishing or malware distribution domain. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the PDF is designed to host many links on disposable domains, further supporting a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://midufefew.ru/award?keyword=bayes+theorem+ncert+pdf PDF link annotation
- http://eushopvmn.site/husqvarna_372_performance_partsfepxr.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413238/normal_6003ac0570b26.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480579/normal_602adf172eaba.pdfIn PDF document text
- http://tufodudem.mypressonline.com/certificacion_senasica.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379474/normal_5ff1630bce43a.pdfIn PDF document text
- http://idealicaitalia-official.site/26335256708sw9ax.pdfIn PDF document text
- http://hh666o.site/butunuroxedunolopanokifdrsoa.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4465006/normal_5fe479799277d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373304/normal_601b1874a9ebd.pdfIn PDF document text
- http://tomogorman.com/66761424507wl58m.pdfIn PDF document text
- http://mereritijazos.scienceontheweb.net/missing_alphabets_worksheets_english.pdfIn PDF document text
- http://najisemure.medianewsonline.com/apc_smart_ups_2200_battery_charge_lights_flashing.pdfIn PDF document text
- http://nezowigivomi.scienceontheweb.net/marriage_certificate_form_telangana.pdfIn PDF document text
- http://zeludupixejufi.medianewsonline.com/somulolibudozivawazataxiw.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://tibutariwu.myartsonline.com/fijujutid.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ef06b5cf-f3f9-4b47-af01-81e6601977cd/pobojefipijokaroge.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ac585e37-bb0c-4f71-abdb-ed73c14dd4ab/jabra_step_wireless_price_in_pakistan.pdfIn PDF document text
- http://pasifowon.atwebpages.com/zobaxokevogaluxa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/82173621-2145-47cd-9c3a-be526c931df4/eragon_full_book.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/61eed78c-4ee4-49da-ba72-a04eeeebcf08/29371470932.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f582772a-857a-414f-a9ed-37905b766b11/57951434272.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eed8e013-de8c-4ecd-a11d-9bdffe5e67fc/wunibovukakibotiz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8a72d6a1-7060-4a58-8baa-4cbebe9987c0/topupizizutaloforumif.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b0a777a9-acc7-4303-a8b1-0a4b4aad89d2/75414525618.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5353c92e-8f73-4697-a977-5fb316ccea86/what_is_the_first_paragraph_of_the_declaration_of_independence.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_off0000d16a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD16A | 5516 bytes |
SHA-256: 8e2cec2b544992885f654fdb79a8a1bcde8ae172b1e4c2565bd918af5b32f3fa |
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font_01_sfnt_off0000e40c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE40C | 10872 bytes |
SHA-256: 6fbef830c9d5cdaac46707eeff0429738e75a84eacac9c6138b8accdf369f739 |
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