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 0.9991
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://kuzutuzo.ru/strik?utm_term=idot+concrete+mix+designs PDF link annotation
- https://cdn-cms.f-static.net/uploads/4445868/normal_6025c8288a136.pdfIn PDF document text
- http://thedefenseforge.com/bowflex_blaze_leg_exercises0kmyc.pdfIn PDF document text
- http://1cats.space/manual_calefont_splendid_ionizado_7_litros5uml2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4499635/normal_604feeb7c4bfa.pdfIn PDF document text
- http://ridunculus.com/sapawowa3scs5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379731/normal_5fcb14a4af298.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412900/normal_5fd25962af067.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383128/normal_60263a16415cc.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/c06e70d7-5bcf-457b-839d-26d4f7c67610/fexitufegagilisil.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b00e03c1-ee23-4920-a53c-7c1c989be68f/24810778572.pdfIn PDF document text
- https://200ee3fc-349d-4871-b5c3-2c1c69b60476.filesusr.com/ugd/7b00a0_164bacacd923454290426da6501d0d88.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1622a4c5-409c-4f95-9a31-8312490d56d6/martin_luther_king_speech_text.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/305d0899-086f-482f-9291-f2d3c98831c7/how_to_sue_police_for_violation_of_civil_rights.pdfIn PDF document text
- https://ac685e6e-6442-44c0-91a1-b3a367e79ef2.filesusr.com/ugd/ce77c6_d78f05cb33854357acad708070feaeb8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/62bbae97-37ba-49c1-ae3f-a7b64d53ae36/37167891160.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c213749e-1df7-438b-8bbd-e05207d2dba7/zotebejemabixamedapolemuf.pdfIn PDF document text
- https://ef9d90ca-5811-4a1c-810e-75bcfae60121.filesusr.com/ugd/a33af7_8ab36f94e7374daebb659d79d1eaca0f.pdf?index=trueIn PDF document text
- https://71347f20-8353-4153-bebc-dd2a28b3a5cf.filesusr.com/ugd/a382ee_dadebd8e48064185bbe21adb07eb24e6.pdf?index=trueIn PDF document text
- https://da99f664-88c7-4a27-98aa-0bbcec2e8f57.filesusr.com/ugd/66f3f9_8dcc1e9430c74108b7c894a56f384744.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3eece870-7e76-401e-a378-c08a066e63f4/66276549755.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f96c37e4-d2ab-4966-b62c-5ec2617b707f/padoburofovukekoges.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2951bce1-cdd8-4238-90d3-970e98ca29ad/40094654459.pdfIn PDF document text
- https://0df22b04-17ae-4e65-9af8-3af4445b4601.filesusr.com/ugd/71fd01_7824fc71f6904d83b6f2590f3a2628a4.pdf?index=trueIn PDF document text
- https://68f2566a-c586-4d15-a5d1-3a72044c38f3.filesusr.com/ugd/ecec20_535d642d8b0645e79bf542ff6c6ecf6f.pdf?index=trueIn 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_off0000e8ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8AC | 5020 bytes |
SHA-256: 7cea11cce8d220d208594ccf76034c7f075f10f8b4bb44e2c270c26ad064f453 |
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font_01_sfnt_off0000f9ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9AE | 10720 bytes |
SHA-256: 722a599f5d7b8aedfd0dc10e49e1abb605a4933cae04ac2c30eeea8d71343400 |
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