MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and an ML classifier, indicating a high likelihood of malicious intent. The document contains a large number of external links, many pointing to disposable hosting, suggesting it functions as a link farm designed to distribute further malicious content. The primary malicious URL identified is https://nipisod.ru/strik?utm_term=campo+de+atua%25C3%25A7%25C3%25A3o+da+psicologia+organizacional.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://nipisod.ru/strik?utm_term=campo+de+atua%25C3%25A7%25C3%25A3o+da+psicologia+organizacional PDF link annotation
- https://zerakilun.weebly.com/uploads/1/3/2/6/132695460/kasef.pdfIn PDF document text
- http://nujijaj.getenjoyment.net/kemawobefuwewavoxizibinaf.pdfIn PDF document text
- https://tokuniti.weebly.com/uploads/1/3/4/3/134331772/5284643.pdfIn PDF document text
- https://tadesurirow.weebly.com/uploads/1/3/2/7/132711952/79c06cae545.pdfIn PDF document text
- http://dikoxikikalonib.scienceontheweb.net/43870972645.pdfIn PDF document text
- http://monubagujizud.mywebcommunity.org/automation_testing_interview_questions_and_answers_for_experienced.pdfIn PDF document text
- https://kodabovoxalomas.weebly.com/uploads/1/3/5/3/135340354/roxexatuzofamix-sotukewijunar.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/ff628185-f31d-4281-a774-9440aee2aaa3/8460233995.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ba6baaa1-0112-4687-a32e-4603ca89f6e9/the_joy_of_less.pdfIn PDF document text
- https://71a0d42b-91d5-4e94-9338-ff69ca8a624b.filesusr.com/ugd/e5d5e5_d5c2ba4570354ab597a6bc2e5891d540.pdf?index=trueIn PDF document text
- http://fajenadiwizowo.atwebpages.com/bangladesh_bank_job_question.pdfIn PDF document text
- https://s3.amazonaws.com/bededuxotulapil/simujiv.pdfIn PDF document text
- https://99b08629-27b2-41dd-83a1-938dc2ca35bd.filesusr.com/ugd/067ecb_50e9b8b93a8449049ae5d92f41f8b5d9.pdf?index=trueIn PDF document text
- https://e6343aec-df69-40e7-9959-3c0c55bf73c9.filesusr.com/ugd/6a9017_74b748a5eaea41ccb9418db6088635e6.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gekixadonuru/platform_defensie_bedrijfsleven_nl.pdfIn PDF document text
- https://40785fcd-1e5e-4316-9306-5db1d5795eae.filesusr.com/ugd/2f07a1_b047ae01604c479a8cc2686947416c92.pdf?index=trueIn PDF document text
- http://memamawu.onlinewebshop.net/50389442100.pdfIn PDF document text
- https://042e50b4-45d0-4577-915a-c14d43ab21ad.filesusr.com/ugd/18f527_654b8bf8f089406182afdb18a68f9a68.pdf?index=trueIn PDF document text
- http://tokozod.myartsonline.com/python_3_programming_language.pdfIn PDF document text
- http://kenesowozowojaw.myartsonline.com/nasa_predicts_meteor_2020.pdfIn PDF document text
- https://s3.amazonaws.com/tuzakifezara/49495652294.pdfIn PDF document text
- https://s3.amazonaws.com/kotenu/wezulirojabawepofenofaj.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_off000100fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100FE | 5848 bytes |
SHA-256: 9379550c2a3c013e425ca41e609136ee6179f46532cfd3c744f6077fea70612c |
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font_01_sfnt_off000113f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113F7 | 12560 bytes |
SHA-256: 3199c7c877509f28d10e12bd924937ac268ae3d04d50d9fd5e55f2cec26f1762 |
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