MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The file is a PDF document that has been flagged by multiple heuristics as malicious, including brand-impersonation credential phishing. The embedded URL `https://bologen.ru/award?keyword=advanced+architecting+on+aws+pdf` is hosted on a domain that does not match the impersonated brand (Amazon), indicating a phishing attempt. The ML classifier and ClamAV detection further support the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://bologen.ru/award?keyword=advanced+architecting+on+aws+pdf.
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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/award?keyword=advanced+architecting+on+aws+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4453734/normal_60450b885c58c.pdfIn PDF document text
- https://cdn.sqhk.co/vozedolurezu/dhegdif/bang_squares_urban_dictionary.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4469106/normal_6003cfd6b0e77.pdfIn PDF document text
- https://cdn.sqhk.co/xubupigegi/ghfhb8S/word_search_puzzles_printable.pdfIn PDF document text
- https://cdn.sqhk.co/sijiposago/kJjx9tt/27559036882.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405644/normal_60556c866488d.pdfIn PDF document text
- http://sokixatov.mywebcommunity.org/44909962714.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413454/normal_604513d1d5b3d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4496216/normal_5fccfd4913897.pdfIn PDF document text
- http://xafesuvorolivig.scienceontheweb.net/divig.pdfIn PDF document text
- https://cdn.sqhk.co/lidupusumoj/chjuBBR/95892118068.pdfIn PDF document text
- https://cdn.sqhk.co/ratufewebu/8ihwOnw/91871222715.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/bb863cc6-0abf-4181-b270-6ded13bd204e/how_much_does_a_cdl_driver_make_in_florida.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cb1dcdc7-dd30-41b4-9eb6-29413d38be1e/how_to_replace_a_jenn_air_glass_cooktop.pdfIn PDF document text
- http://begujewirefe.myartsonline.com/temidagazonoxexuwizigu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a977e747-3501-4d09-af85-97ac5ed4adf8/maxugoxogavekolidolex.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b5431484-26c5-499c-8a2f-43cd71b429fa/71667804337.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d6751fa4-f1b9-4676-a18e-cde2f7bda724/fufamedaxag.pdfIn PDF document text
- http://kofaxafogi.myartsonline.com/blouse_neck_designs_catalogue.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e7de0438-cd37-4e67-8bf9-f6c82f5d1dcd/jufulorasorelabuvibiz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/73470cc7-3523-457b-943c-33d865c7b99f/le_petit_nicolas_le_football_english_translation.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c7749298-c0bd-4d21-b9d5-4662668f13e0/89290836650.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/54cb95eb-18e8-47ed-a9c6-1e91e3572d3a/grimms_fairy_tales_list_of_titles.pdfIn PDF document text
- http://fufudaloxola.onlinewebshop.net/if_function_in_ms_excel.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_off000103ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103EA | 5524 bytes |
SHA-256: fd2a94b94484060189897d98895375d369f2defbe3956113e8c626dd15b01f14 |
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font_01_sfnt_off000116ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116CA | 13072 bytes |
SHA-256: 7bbf6f23d6747c1eaac0c5bee2b727452f898f99693704114b668d45925eeff1 |
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