MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The primary malicious URL identified is https://midufefew.ru/strik, which is likely used to redirect users to further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://midufefew.ru/strik?utm_term=how+many+pages+are+in+the+sixth+harry+potter+book PDF link annotation
- http://maxirem.mygamesonline.org/chuyn_file_sang_file_nh_trc_tuyn.pdfIn PDF document text
- https://vijidosuxidisad.weebly.com/uploads/1/3/4/3/134326963/rigulego_fasetojil.pdfIn PDF document text
- http://wotidoteked.mywebcommunity.org/84230160173.pdfIn PDF document text
- https://cdn.sqhk.co/vovewotutal/bggJEXX/44718872159.pdfIn PDF document text
- https://cdn.sqhk.co/sejujona/hdjfeKJ/puniziraxuvimuvupo.pdfIn PDF document text
- http://zarewubizeno.mywebcommunity.org/carcinoma_de_celulas_grandes_pulmon.pdfIn PDF document text
- https://fuzurisef.weebly.com/uploads/1/3/4/3/134369427/2138882.pdfIn PDF document text
- https://kolajinetam.weebly.com/uploads/1/3/4/5/134584148/2811970.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/fb5bc39c-965c-4e29-b045-673bbb8f2c04/rifonumeku.pdfIn PDF document text
- http://punotonaduwize.atwebpages.com/3._bundesliga_spielplan_18_19.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1a571e10-89a1-4405-9cbf-19e713fd0efb/nulofumu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6b21fd41-fb1d-42dd-aa5f-9541239e8d12/97736889633.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/83acb830-7daa-4cf9-b9ea-47355872a0b7/xenegepogivivolarez.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1bcd16ae-89ea-4af0-8a59-d15433cebce0/nidubikebofowew.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/85284b95-0a41-4273-80ee-7530d6469aed/diary_of_a_wimpy_kid_the_meltdown_archive.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/53544709-46d8-4438-ae96-214ed1acdfaa/the_book_thief_full_movie_watch_online_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/38756fac-b635-4ffc-8a60-0d73d8333d8c/integration_of_x2_cosx_dx.pdfIn PDF document text
- http://benamow.myartsonline.com/pathogenesis_of_peptic_ulcer_disease.pdfIn PDF document text
- http://wemaxoseni.myartsonline.com/north_ayrshire_school_holidays_2020.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1788b894-87be-4420-bb60-e2771350dfc0/simodovegiviluserul.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e0c60836-02d5-4764-88b0-2385ff3d362d/68424487761.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE1C | 5416 bytes |
SHA-256: 9927532d2ff2aae86bfe5e7e884a5e04fd86f64a558860330939ac9e79d5876f |
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font_01_sfnt_off00010067.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10067 | 11996 bytes |
SHA-256: 52aa168ba4c372a1b9ac8799ef94207417d7e3bd6caff12801e76b04a87b0fdb |
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font_02_sfnt_off000127e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127E7 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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