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 0.9997
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://mezovuduw.ru/award?keyword=big+data+processing+using+spark+in+cloud+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4375507/normal_6005c7da23f7a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383138/normal_5fe3e7e96efb8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4468259/normal_6041c6119edae.pdfIn PDF document text
- https://ruwivogisi.weebly.com/uploads/1/3/4/2/134265822/32593aa.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4490273/normal_5fecf18fcb659.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386363/normal_6042091b7a51a.pdfIn PDF document text
- https://vaxurubezinijor.weebly.com/uploads/1/3/4/6/134690270/7444980.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://04a9e765-cf69-4035-9b9a-998d8fb4e692.filesusr.com/ugd/8c5016_5583b37fd2f74ce6a45669cdd918676a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/01682e07-5160-4b7e-826a-9870df529167/what_is_the_theme_of_i_am_the_messenger.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7bd3a562-7af9-4e3b-bd92-18cbcab995c9/14566821717.pdfIn PDF document text
- https://627f215e-41ba-4aa4-9906-5f9f9d117739.filesusr.com/ugd/8ab72e_a18b81728c9c47c488f0e8408d92c5be.pdf?index=trueIn PDF document text
- https://6558ac43-984d-4e3a-97a1-dec8860611ed.filesusr.com/ugd/c73740_3db7b7f0d69643569663d447c85d47b8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d445209b-0fe4-4679-ab14-0e37527dced0/viewsonic_pjd5155_ceiling_mount.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5c68cb7d-f8bc-4902-b9be-4bdc30732681/65483094492.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/afe161bc-1035-494e-9dbc-b10ec297aa0b/why_did_the_renaissance_began.pdfIn PDF document text
- https://2489a575-72f7-492f-b117-28cfe4a4d2a3.filesusr.com/ugd/d81705_47d80ed71b0b4591ba3f56d5dbcdfdfe.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/cce847f2-5b10-40a7-89c5-72c97d5e8c98/tilotefifavateb.pdfIn PDF document text
- https://ba428ff1-d53d-4eb5-bdb2-cc960067f420.filesusr.com/ugd/7041e4_33910d51fbc947948ced7fe8846ef72d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/fb823f2c-9f18-4991-b7c7-7887d27e6934/esv_literary_study_bible_review.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a8eaefe3-0ad5-43d5-9ef9-8cc1491f01f2/52681405741.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3e81700d-4148-4c95-992b-2b8d4d97d3ce/sandisk_secure_access_password_hack.pdfIn PDF document text
- https://4a39c6c9-989b-4d11-b2d8-cc0becc7f193.filesusr.com/ugd/ef0078_e52bdd1135ff47c89696cd6e93322387.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_off000163c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x163C7 | 5436 bytes |
SHA-256: f7dcdfbc1f19c3406fe26033df8d9e2620223f901c908a2d7523711b9af9c29f |
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font_01_sfnt_off0001765e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1765E | 12096 bytes |
SHA-256: 2cb498c731749c7739b748c4191c02d329b0ecfe46f8a9f1790166c759a5559f |
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