MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing or trojan. It contains numerous external URIs, including one pointing to 'midufefew.ru' which is likely part of a phishing or malware distribution campaign. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for numerous links, further supporting a malicious intent. No scripts were extracted, but the embedded URLs and heuristic firings strongly suggest a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 5
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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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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/strik?utm_term=how+to+use+lancets+and+test+strips PDF link annotation
- http://kelnoteres.xyz/73177896439zk1to.pdfIn PDF document text
- http://montana-media.com/southwest_airlines_pilot_uniform_shopynkgb.pdfIn PDF document text
- http://itchia.space/venokelagutobogol9g0z.pdfIn PDF document text
- http://doctorzlo.com/cuanto_es_100_gramos_de_arroz_cocido_en_tazasjshou.pdfIn PDF document text
- http://roduvogixaxo.66ghz.com/seismic_design_of_structures_book.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/40b3f6c9-9a75-490c-b11d-f208e5f2b815/campark_trail_camera_settings.pdfIn PDF document text
- http://repuvamiperubo.epizy.com/xoguzabopewuras.pdfIn PDF document text
- http://jikirukuda.rf.gd/20963865164.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d29b7a14-fcbd-4c0b-a047-dfd78cda98e4/zexusebuxazegevapixilu.pdfIn PDF document text
- https://6e37e838-c278-4d46-baa9-25b8497af200.filesusr.com/ugd/fbcb80_23292fe8ae1f45539e09cc1f5ff39c47.pdf?index=trueIn PDF document text
- http://faputigumajo.rf.gd/fidesosifileza.pdfIn PDF document text
- https://45f61934-b4a1-4335-a9e3-e142d9465b5b.filesusr.com/ugd/0dd040_d314d27fb2ce4afa82330df0be56329e.pdf?index=trueIn PDF document text
- http://gewofudi.rf.gd/sql_injection_attacks_and_defense_2nd.pdfIn PDF document text
- https://ba428ff1-d53d-4eb5-bdb2-cc960067f420.filesusr.com/ugd/7041e4_d0e5e52484fe4dbd8c909edaaf2bb235.pdf?index=trueIn PDF document text
- http://dukifubu.epizy.com/jurnal_aspergillus_oryzae.pdfIn PDF document text
- https://677e6977-fc43-48b2-ac81-16e478c8573b.filesusr.com/ugd/3750c2_3aaec4bed38d40f0bbe840f2298b6f7a.pdf?index=trueIn PDF document text
- https://bc260b4e-efc2-469d-9102-9c7234992d76.filesusr.com/ugd/b1b3ad_c9f77de466b44867aa08ca35034de346.pdf?index=trueIn PDF document text
- http://mivowejow.rf.gd/6202896398.pdfIn PDF document text
- http://gojexigubobe.epizy.com/applications_of_plant_biotechnology.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1bb52734-b150-43f7-bee9-920182dc6203/43241786750.pdfIn PDF document text
- https://6762652a-e869-40f3-960d-1446d4066230.filesusr.com/ugd/55e6b1_0673536d979c4b5491b874b73772b8aa.pdf?index=trueIn PDF document text
- https://c779a0a5-5a96-4308-8c37-720837e0bdd2.filesusr.com/ugd/4f1d02_50c4f87ab98046a0b4dcd617a6fb0833.pdf?index=trueIn PDF document text
- http://safinemawexow.epizy.com/lenovo_g50-80_laptop_wifi_driver_download.pdfIn PDF document text
- https://c208ddc4-37ec-4cef-823d-79aeaa8cd68a.filesusr.com/ugd/d34c4d_9f774846142b4afaae1cec532a5e240f.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_off0000fd64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD64 | 5120 bytes |
SHA-256: 6ee1301ab4ab2a4b97011c70e97e16efd94062ff026f313bf07567bfe02326a6 |
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font_01_sfnt_off00010eec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EEC | 10612 bytes |
SHA-256: 8753ffb001675d645ab257b9c7c7b43057ee1c92057f4b95cddec9596d7b345f |
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