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 0.9967
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://midufefew.ru/strik?utm_term=games+strategies+and+decision+making+2nd+edition+pdf+free PDF link annotation
- https://static.s123-cdn-static.com/uploads/4389568/normal_5fe1a545d065c.pdfIn PDF document text
- http://lestyprin.online/passat_1.8_tsi_vs_2.0_fsi7ou0k.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448347/normal_604f2b698c612.pdfIn PDF document text
- http://fashion-deals.xyz/melhor_curso_de_marketing_digital_para_iniciantesbemph.pdfIn PDF document text
- http://mexicotop.xyz/shodhganga_mathematics_projectv2k6z.pdfIn PDF document text
- http://power-guard.shop/531254266369dnzd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449421/normal_6020ffc823af3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367286/normal_601536badcad7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380540/normal_6015f0dd56a22.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/kabisebax/vojoredatetubiledipukilop.pdfIn PDF document text
- http://xomexopiguv.rf.gd/wow_vanilla_first_aid_leveling_guide.pdfIn PDF document text
- https://ec679cc6-872a-45a8-b2fd-b1bc8f6ddb77.filesusr.com/ugd/d1d005_01cee842d91f429394eb40a6fd640800.pdf?index=trueIn PDF document text
- http://zexenodu.rf.gd/16380186009.pdfIn PDF document text
- http://repikigerudu.rf.gd/fuzuxubim.pdfIn PDF document text
- https://s3.amazonaws.com/rizijubovapuk/8183991394.pdfIn PDF document text
- https://s3.amazonaws.com/muxegeza/fekuvorumola.pdfIn PDF document text
- https://f3dc8d0a-397f-4303-99a5-a7927e83d850.filesusr.com/ugd/e916cf_65ab5656b57e40e69979dfa5c82a21cd.pdf?index=trueIn PDF document text
- https://11f44e1d-c86f-4be6-baa1-90970e7c24f5.filesusr.com/ugd/a298ce_2839a58761d44b05b33336858e6267aa.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/luramamelolem/53223776635.pdfIn PDF document text
- https://6843e3eb-5573-46e1-90a0-370cfc2b4a0d.filesusr.com/ugd/89b1bc_680d05734d1548829fd367560e491491.pdf?index=trueIn PDF document text
- https://c36efdde-2309-4ce2-a10d-b6df2ce12cd8.filesusr.com/ugd/e98059_104a19196e174e5ca36575a01f682105.pdf?index=trueIn PDF document text
- https://a72b158e-cead-41d6-a0b3-8518216316a4.filesusr.com/ugd/35c6e2_fdd1c5781d6c474991498f6b698d7ba1.pdf?index=trueIn PDF document text
- https://1ffb5d6c-d890-49e0-9b87-dc10fbfa49e2.filesusr.com/ugd/8bc2a6_9b46378f948442c9a533dc8302602e34.pdf?index=trueIn PDF document text
- https://7ae52be2-ba3c-41fb-8935-29281088223e.filesusr.com/ugd/affaa6_9b4c6a587f3446aab4ecdd117852a658.pdf?index=trueIn PDF document text
- https://8f1c0ae7-1ba6-4c51-a623-4d29f5e3aebb.filesusr.com/ugd/c1615c_4b4981cf9c0549f28afcdb75bcd79ee1.pdf?index=trueIn PDF document text
- https://99516632-72ce-40f3-a9a1-a01c91361c65.filesusr.com/ugd/e42c35_0508847862bb4f1fbd9887e43eb0f501.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_off0001237e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1237E | 5668 bytes |
SHA-256: ef1b68a9d94f756a7a7db5de5b8f675099d453690752c195ee459d441e8e5ca4 |
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font_01_sfnt_off000136c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136C0 | 11272 bytes |
SHA-256: d0b0272c3ccfa1a469430d2b37cbb9c9895254e4818be84d58bd22571137e1a8 |
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