MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a large number of external links, many of which are hosted on disposable domains, suggesting a link farm or phishing operation. One of the primary URLs, 'https://bologen.ru/123?utm_term=beloit+school+district+report+card', appears to be a lure for users interested in school district information. No scripts were extracted, but the PDF structure itself is designed to redirect users to potentially harmful external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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 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://bologen.ru/123?utm_term=beloit+school+district+report+card PDF link annotation
- https://sumukekunazub.weebly.com/uploads/1/3/5/4/135400219/1114507.pdfIn PDF document text
- https://rosaguvedofim.weebly.com/uploads/1/3/4/3/134352906/zodopipopefavudimam.pdfIn PDF document text
- https://cdn.sqhk.co/nedevupoj/ahaifif/wikixegowijisesadem.pdfIn PDF document text
- https://dexuwoborusise.weebly.com/uploads/1/3/4/3/134375282/modejovufixox-fimefu-jowurewigugilav-muvopufasonupij.pdfIn PDF document text
- https://bewanabexujafo.weebly.com/uploads/1/3/6/0/136050633/8829012.pdfIn PDF document text
- https://cdn.sqhk.co/zatovafer/M3fGhjA/balance_ball_chair_australia.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/wopari/gugalusogodirutigasin.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ad8c82b2-92c2-4037-8c61-f15c248af482/hp_laserjet_2100_pcl6_treiber.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e7b741cb-b4f1-43c7-8c44-605cce2d1108/31901556378.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8389b91-5c03-4a22-87e4-1a956eac3d4c/what_are_the_main_topics_in_ccna.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a764770e-3d73-4979-82a7-913653fc0099/physics_quiz_questions_with_answers.pdfIn PDF document text
- https://s3.amazonaws.com/tinivukedeta/a_safety_data_sheet_consists_of_16_sections.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8645835e-cfce-48ad-bc4b-51824b966caa/26633939636.pdfIn PDF document text
- http://mawigugu.rf.gd/wunezaz.pdfIn PDF document text
- http://molamizaxe.epizy.com/what_words_should_not_be_capitalized_in_titles.pdfIn PDF document text
- https://s3.amazonaws.com/bubisifapagefe/friends_piano_sheet_music_justin_bieber.pdfIn PDF document text
- https://s3.amazonaws.com/nakuzafol/biravuxurek.pdfIn PDF document text
- http://tajisogekumobuk.epizy.com/types_of_communication_notes.pdfIn PDF document text
- http://nasakil.rf.gd/alessandro_volta_information_in_marathi.pdfIn PDF document text
- http://nuwowafel.rf.gd/90772418819.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_off0000fb1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB1F | 5212 bytes |
SHA-256: 2a845ace80995d89662b39ea5fd3a4034605479ac005c38cfe11f01a7651bf7f |
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font_01_sfnt_off00010ccd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CCD | 11208 bytes |
SHA-256: 050a953eaf5ec4e4ded1cead446da0edef122eb947c3eeccb71e6339101705cd |
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