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-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://zajinet.ru/strik?utm_term=what+are+the+basic+interview+questions+in+java PDF link annotation
- http://rokuboxajiga.medianewsonline.com/job_interview_questions_and_answers_for_fresh_graduates.pdfIn PDF document text
- http://miribut.mywebcommunity.org/logitech_z_5500_price_in_pakistan.pdfIn PDF document text
- https://cdn.sqhk.co/pizililiv/fjcojdQ/lakiparaxitizogixivalo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450003/normal_605f4e7ec55ec.pdfIn PDF document text
- https://cdn.sqhk.co/zifeduwa/fgggiij/hockey_fights_cancer_tape.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4403689/normal_6005e7113d95d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477156/normal_604ccb67550e9.pdfIn PDF document text
- http://zajilakofudo.scienceontheweb.net/arboriculture_fruitire_tropicale.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://4a39c6c9-989b-4d11-b2d8-cc0becc7f193.filesusr.com/ugd/ef0078_6c0823f9d56d40099216f2ada1dad6af.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a084d0f8-ea55-488f-a616-dd15717a64d1/ng-book_angular_7_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6a1166d8-00e4-40aa-b64f-2c1b5e1d0ce0/kogebupib.pdfIn PDF document text
- https://8546b567-499d-44cb-812b-f4cb210fa0cc.filesusr.com/ugd/1f0b74_beb9182da8304107a1190fcdab379f38.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/098e5814-146a-447d-9c06-32379be389c3/zekave.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ee364be5-8a63-4b32-ba9c-220f6f7e5c1f/average_salary_masters_in_counseling_psychology.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0a615599-5d79-41d0-aae6-777a7b67aa1c/libro_de_espaol_primer_grado_de_primaria_2019.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3445ea0a-3a31-4c39-aac9-5baf02377b1c/pijulusogomikusuzen.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eabb8192-ba9b-426b-b065-5615dcb29a01/36336742872.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5403c539-6791-47cc-8647-71c106b10353/kasevasexume.pdfIn PDF document text
- https://cfecb619-c0f5-418d-ae9d-b1147643389f.filesusr.com/ugd/4cd51e_11b04f10deff44f49f73ba68c1fd911a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3739ff8b-44b1-4517-a1ca-63fd771e21b7/velowobararejisumeka.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_off0000eccc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECCC | 5364 bytes |
SHA-256: 53c0593f3a12122808f22f146a361877a025ce3c0771bef419c4219a1532f9fe |
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font_01_sfnt_off0000ff23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF23 | 11020 bytes |
SHA-256: 479bbe535d06ef13afb43f23e87378093ef7f7df14270e6b5ee14ae3c72d2733 |
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