MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
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://jumiwimov.ru/123?utm_term=thickness+of+sheetrock+for+walls PDF link annotation
- https://fomukudir.weebly.com/uploads/1/3/4/4/134403856/wanomanox_bojizuximopin.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4464862/normal_5ffccb225e093.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4401525/normal_5ff197537b2b0.pdfIn PDF document text
- https://datotizit.weebly.com/uploads/1/3/4/6/134696706/nifudupeka.pdfIn PDF document text
- https://zexerimapepu.weebly.com/uploads/1/3/2/6/132681444/2fb02082.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467564/normal_60338e2a0c3a9.pdfIn PDF document text
- https://mopomavimixefor.weebly.com/uploads/1/3/1/1/131164117/1374120.pdfIn PDF document text
- http://tomorubi.22web.org/google_translate_apk_android_4._0.pdfIn PDF document text
- https://moxizeza.weebly.com/uploads/1/3/3/9/133999163/5155103.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/c1820717-e6d3-4a64-9141-9278842579b9/pusinusebofajikobomosib.pdfIn PDF document text
- https://8dac4d01-2cd1-45d2-8b5f-6005f802adc9.filesusr.com/ugd/1f96ce_b452b4c6ceef49879da185dffbdeef1c.pdf?index=trueIn PDF document text
- http://zebafuvevejol.epizy.com/69774028093.pdfIn PDF document text
- http://mologesasik.epizy.com/9231597752.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/42146fbd-a394-4a24-bfc5-612a525b1a7b/1390321792.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f192e8e4-97d8-4eba-9b3b-65c6bf242faa/how_to_deal_with_being_unhappy_in_a_relationship.pdfIn PDF document text
- http://kiwivesunita.epizy.com/ap_english_literature_and_composition_practice_exam_answer_key_2017.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6004785d-9d4d-4aaf-b95e-cbb283626e1d/how_to_find_the_height_of_an_object_by_its_shadow.pdfIn PDF document text
- https://8650d040-a33d-467d-a608-6706f181f11b.filesusr.com/ugd/61b8bf_80ece36a277841cdb7c7d4a59aa4f21a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5d2befe9-fba7-40f9-977e-3e184b17e3c3/gse_algebra_1_unit_1_relationships_between_quantities_and_expressions_study_guide.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_off0000daec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAEC | 5072 bytes |
SHA-256: 12d1c3ba6bce4b923955360fdff1488ea51473e35038dd7edaa01d48e639c7b1 |
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font_01_sfnt_off0000ec3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC3D | 10952 bytes |
SHA-256: 9b895e957c36a7a7d347673741a71b33607ded78530446fa1980bb1d704df077 |
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