MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a significant number of embedded links, with one heuristic identifying it as a 'PDF_SEO_LINK_FARM' and another as a 'PDF_SEO_DISPOSABLE_LINK_FARM'. The primary external URL observed is `https://golowaki.ru/123?utm_term=fasb+asc+842+pdf`. While the document body is heavily obfuscated, the heuristic firings strongly suggest a malicious intent related to link manipulation or phishing, potentially using embedded JavaScript to facilitate these actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://golowaki.ru/123?utm_term=fasb+asc+842+pdf PDF link annotation
- https://gisidamuxifa.weebly.com/uploads/1/3/0/7/130775495/7478961.pdfIn PDF document text
- https://gevabebixufusaf.weebly.com/uploads/1/3/4/6/134689319/7540143.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://pudamalulera.pbworks.com/w/file/fetch/145146759/platos_philosopher_king.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1f7d7709-173e-4c48-a32a-81889200a40a/fowekubilosuxe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a731f1e9-b314-442f-a7b7-541dd6a0237c/tres_metros_sobre_el_cielo_1_pelicula_completa_parte_2.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c89bab1d-a20e-4ea0-845b-b067d4bb1f8e/69637958019.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/629d4a82-ff22-4d1e-83ba-e69c38a76cb6/72281560149.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e611cff8-a4a4-4cfc-8d67-ecdbe3c56556/arduino_nano_33_iot.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7a4677c0-45f5-4a0f-a366-449172029df2/cub_cadet_model_lt1045_oil_type.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bd7af5fd-bd98-429b-a845-aaec3f801eb4/are_tiny_homes_allowed_in_ontario.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/61c27495-b1b0-47ce-8871-7e543949cc6d/how_to_ignore_guy_friend.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/35115735-1986-44b8-beb3-9769f0b4f831/does_arc_teeth_whitening_pen_work.pdfIn PDF document text
- http://fodorafirig.pbworks.com/w/file/fetch/144446886/netigurafu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d44be7d2-18dd-45ac-a44e-ee052100086c/brother_cs6000i_manual_e6.pdfIn PDF document text
- http://tasonupopam.pbworks.com/f/fijizolimelo.pdfIn PDF document text
- http://jozeluwofe.pbworks.com/f/42232834757.pdfIn PDF document text
- http://genarozep.pbworks.com/w/file/fetch/144521733/glencoe_health_workbook_answer_key.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2e94e98a-f4b6-418c-b88c-b1d7ff8988b2/987615143.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7e7a1edc-64cf-476b-9d01-640ee788cb74/algebra_1_practice_workbook.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dcf45016-174f-4028-9d29-4f9a6291f8e9/congruent_overlapping_triangles_worksheet.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_off0000fb53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB53 | 5532 bytes |
SHA-256: 5bbf5b11c15dd05b41b1c9c63147801e3f3693a95ca1806d3cc58edfc5bb0b92 |
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font_01_sfnt_off00010e3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E3F | 11324 bytes |
SHA-256: 01e1d58d3904b45700c7ed85984c8ffcb1b9f3621631551b2a5baa3cfac80f95 |
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