MALICIOUS
226
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. It uses a password-protected-archive lure. 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 0.9996
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://synerhu.ru/pbw?utm_term=ielts+5+practice+tests+academic+set+3 PDF link annotation
- https://pamokevavazodo.weebly.com/uploads/1/3/4/3/134386981/fariweboxopewise.pdfIn PDF document text
- https://fusewire.weebly.com/uploads/1/3/0/7/130776481/9a48b.pdfIn PDF document text
- https://nugelemuv.weebly.com/uploads/1/3/0/7/130739301/1217739.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413238/normal_600ede36ae476.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4444371/normal_60b50c0def040.pdfIn PDF document text
- https://rixodinek.weebly.com/uploads/1/3/5/3/135392020/3576178.pdfIn PDF document text
- https://pexekakuxop.weebly.com/uploads/1/3/2/8/132814074/xipimutepi-loneno-padoniwajefa-durojagusovena.pdfIn PDF document text
- https://filuwanukolo.weebly.com/uploads/1/3/4/8/134874182/bewigune-rerazule.pdfIn PDF document text
- https://tebafazar.weebly.com/uploads/1/3/4/2/134265880/nobijibezesumumalo.pdfIn PDF document text
- https://gekowodi.weebly.com/uploads/1/3/5/3/135321574/febusitumawan.pdfIn PDF document text
- https://vuwonogi.weebly.com/uploads/1/3/5/3/135300132/4025317.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426257/normal_6009ed58d95a5.pdfIn PDF document text
- https://nemaxololele.weebly.com/uploads/1/3/5/3/135304154/jokifu-guzanede.pdfIn PDF document text
- https://wosexepipoto.weebly.com/uploads/1/3/5/3/135347387/gubidawe-bematiwabani-nokiwoxedix.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4365602/normal_5fed018777cdf.pdfIn PDF document text
- https://kipusisuvosa.weebly.com/uploads/1/3/1/4/131406826/eecf65370aad3.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/b4ec3b7c-cea8-4c3d-a677-9d7abc1ab851/why_do_you_feel_pain_when_you_see_someone_get_hurt.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9f383125-6c54-4e1d-af69-6f3e328debce/37810801516.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/601617cf-60fe-4bae-a000-aebb4cb3643b/estrategias_de_lectura_y_escritura_para_nios_de_primer_grado_de_primaria.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6821f032-14e5-40fc-81f9-235cbe8d8156/how_to_determine_sample_size_for_quantitative_research_ppt.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/72118fb1-339e-4e0e-8505-dc713bb010ff/96220205088.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_off0000e9be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9BE | 5444 bytes |
SHA-256: d53ee193c1e33508368f2d594344cefaf9057e1175b51d738e52027128a75e0e |
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font_01_sfnt_off0000fc28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC28 | 25388 bytes |
SHA-256: 01c4757c582d2bf62f9e134edbc5c9ef0924855a9063abf60c84a2fa78ae1e90 |
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