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 0.9992
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://gimoguvi.ru/strik?utm_term=fluent+python+ebook+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4460461/normal_5fe82d157ad44.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416664/normal_600f8ccf9d085.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465257/normal_60476406e2deb.pdfIn PDF document text
- https://vosewisujar.weebly.com/uploads/1/3/5/3/135398140/wokiwesirizenojut.pdfIn PDF document text
- https://xuvamifete.weebly.com/uploads/1/3/0/8/130874567/6307630.pdfIn PDF document text
- https://warenumew.weebly.com/uploads/1/3/4/8/134871813/suxepunoguwun.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403271/normal_6047cd6894ab2.pdfIn PDF document text
- https://nuvarimo.weebly.com/uploads/1/3/1/3/131378817/wugodifo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454971/normal_6003dc5696caa.pdfIn PDF document text
- https://fezulenigi.weebly.com/uploads/1/3/4/4/134485980/e55fd2da1b603d.pdfIn PDF document text
- https://vigiminalaxu.weebly.com/uploads/1/3/1/4/131454394/3198212.pdfIn PDF document text
- https://rutuwupu.weebly.com/uploads/1/3/1/3/131378820/3483183.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://de2a8dfc-dc8d-4d62-be3b-f97abdd17bf6.filesusr.com/ugd/c722c2_3d04fe0d5f7b408bae8281dbe2ba2929.pdf?index=trueIn PDF document text
- https://ad0d0dbb-669b-46a9-85df-79487014a0f3.filesusr.com/ugd/00d95d_17487301ba074b93abc24c8487782f0b.pdf?index=trueIn PDF document text
- https://d787a32c-196b-4e99-9c98-3ae3c28023f9.filesusr.com/ugd/05b469_23d9f66c913545db93653788084eef5e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/00e7d117-2e37-43b0-bee1-5e6c6a7af74c/zizixefetodopuxukaged.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8da8a0c9-0fe5-41c0-b1f2-63e0c7f8e500/54784143215.pdfIn PDF document text
- https://e31b828f-dd5d-4b35-abba-5777d5fc2ed6.filesusr.com/ugd/56a8cc_61eb1035aa164a55877549261921515c.pdf?index=trueIn PDF document text
- https://1c54689f-8f60-44d8-8d81-b144d6ea8ada.filesusr.com/ugd/787b0a_9054a896888248c891c127c2f001610e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/41b2efdb-c468-4c12-b009-54a4d18fd3fc/91484504285.pdfIn PDF document text
- https://8cff94d3-ecab-4ea5-ad27-d3e67d02fd32.filesusr.com/ugd/2813e2_b215764e9a474762845c9645d68ae84f.pdf?index=trueIn PDF document text
- https://34e2f0dc-0077-42bd-a047-efa2502e92af.filesusr.com/ugd/8a05ec_63a22751c2ed457c9dfaec593a9d00e3.pdf?index=trueIn PDF document text
- https://f11c4bf2-12a6-49f8-9590-07a94b689168.filesusr.com/ugd/11276f_eecabddb5a0b421fbb8252e65cb25960.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_off0000f77b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF77B | 4908 bytes |
SHA-256: 51ec68547c53c23ffbfe210900e5e13b3d866f58cda16b8f5706dda32e42efca |
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font_01_sfnt_off00010831.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10831 | 11964 bytes |
SHA-256: 0a5b791dbe2bbc4c3bbd14b4d3536e3698d243b8571ee21f611d7d19aa2efd55 |
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