MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains a large number of external links, with one suspicious URL pointing to 'bologen.ru'. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure suggests a phishing or SEO spam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://bologen.ru/strik?utm_term=is+another+twilight+book+coming+out PDF link annotation
- https://kezidixujaroko.weebly.com/uploads/1/3/4/0/134040737/kejotor_safevuf_pileloxur_metubi.pdfIn PDF document text
- https://remofixar.weebly.com/uploads/1/3/0/7/130776049/02859344734.pdfIn PDF document text
- http://xekisegofisupo.22web.org/13694129832.pdfIn PDF document text
- http://xafesuvorolivig.scienceontheweb.net/43260270382.pdfIn PDF document text
- https://sinitilelimokiz.weebly.com/uploads/1/3/4/3/134348988/6642913.pdfIn PDF document text
- http://rowowesofazov.medianewsonline.com/xadegupepufujavizun.pdfIn PDF document text
- http://resukagewa.22web.org/kenize.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://ef2e072a-e8a2-4438-804d-cc750be2e2f6.filesusr.com/ugd/6a22cb_8759c80328954721b313d9bfa844eee3.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/36372b76-3be8-4b5b-8712-029f04329b09/55553731353.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/af51fddf-a878-4b8a-9c98-707cab6f1ef0/44336244437.pdfIn PDF document text
- https://1a447ccf-a6a5-490c-ad31-399ae8169532.filesusr.com/ugd/cf5184_5d471273301e42d8b027c307ff6ffcde.pdf?index=trueIn PDF document text
- https://23da7c74-6e14-424a-b22a-901aa35eafb1.filesusr.com/ugd/9cc572_8aab7fc9c7a14bfcbdceaa6ab1287eaf.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/92580413-1c31-4d62-875c-c6e29e2479a3/2005_chevy_malibu_battery_replacement.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c1ecf0e5-322a-486a-9232-cda571e2c74c/sopafunipidivetamuxupu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2cb9c739-9102-4659-87d7-202540467190/cleaning_keurig_1_cup_coffee_maker.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b1b95d90-06a4-4067-b042-9f3b6d6d4f00/pearson_edexcel_igcse_chemistry_student_book_answers.pdfIn PDF document text
- https://a519209a-2b0a-481f-9fe9-460c873bdc80.filesusr.com/ugd/270e53_0a082d92e0b64dc59e9dbfaa10084ebb.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f79a7f6f-cc06-4565-94c7-549fc45a4281/folabewilidukitakono.pdfIn PDF document text
- https://dcc20dec-0195-4543-b617-cfb82efd15f0.filesusr.com/ugd/30ea26_c60db1fcb5f34dec9d9fa2474d4ef6dd.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1bd51c1e-c64a-4528-8b93-64b39673990b/lg_washer_leaking_from_pump_filter.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_off0000e38c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE38C | 5444 bytes |
SHA-256: a7e684c932544b5b441597ee570b57a714d368a2ec846ba76c19b866c9970bce |
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font_01_sfnt_off0000f600.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF600 | 11348 bytes |
SHA-256: e73acb5a9e39cad1024fadbfc197b3a58bb3c340bcf43cfd6396cc195120c784 |
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