MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, a technique often used in SEO poisoning or phishing campaigns to direct users to malicious sites. The ClamAV detection and ML classifier strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to facilitate the download or redirection to a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 5
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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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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://kuzutuzo.ru/strik?utm_term=spanish+reading+comprehension+advanced+pdf PDF link annotation
- https://rusulurojexaka.weebly.com/uploads/1/3/0/8/130813489/fakevarebaxulo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4365586/normal_5fde56e4739b6.pdfIn PDF document text
- https://tevejokufip.weebly.com/uploads/1/3/0/9/130969131/f72258f08.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382408/normal_5fd2264a6fbd8.pdfIn PDF document text
- https://fometixivoros.weebly.com/uploads/1/3/1/6/131637143/8b1ec2.pdfIn PDF document text
- https://kesegupopu.weebly.com/uploads/1/3/4/1/134131766/vigoritikudeb.pdfIn PDF document text
- https://vawotitalu.weebly.com/uploads/1/3/2/7/132710714/bixurabizafiru-galaza-vaxabatix-jodulijawi.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408184/normal_5fc8704ed3b82.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/tawovojo/mapowoliloxemiguvulivazo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a877654e-b66b-4a80-998a-3e3efa648e24/usmle_step_1_for_img.pdfIn PDF document text
- https://s3.amazonaws.com/wazagidonux/the_app_plenty_of_fish.pdfIn PDF document text
- https://s3.amazonaws.com/wezukep/restful_web_services_interview_questions_for_8_years_experience.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0734b81a-ca8c-4a8a-b2f5-14ac7cd15c1f/xinuvuneromega.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/89ed21bb-acf3-40f9-bf35-794d502a2f46/kovudetuledup.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d3126226-6c3d-4c90-8818-3fe0ba9ad8fb/rules_and_conventions_for_written_english_formatting.pdfIn PDF document text
- https://s3.amazonaws.com/rujimidujek/31646563938.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cd5f2457-4636-4b82-bef0-a05d54714a5b/bizuragafi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/09e0dba1-e34e-460d-b006-764c0779f366/what_channel_is_the_blue_jackets_game_on_spectrum.pdfIn PDF document text
- https://s3.amazonaws.com/jokotaziweluge/71083755747.pdfIn PDF document text
- https://s3.amazonaws.com/lowuwofuxali/exercises_present_simple_affirmative_negative_interrogative.pdfIn PDF document text
- https://s3.amazonaws.com/fotojipifuzitul/deficiencia_de_vitamina_k_en_nios.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/508816ad-b470-462d-9de5-3679450622b3/ib_acio_2020_exam_dates.pdfIn PDF document text
- https://s3.amazonaws.com/nelizenejakarug/xajumaxiw.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000133c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133C7 | 5408 bytes |
SHA-256: a9cebc2c2f6a7f788a198841a2f3e99ac55cc7024c693e636bcf0725de5b8906 |
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font_01_sfnt_off000145f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145F5 | 11616 bytes |
SHA-256: 515b1250e4b9ee2d6e54c413831b6b2ea9e3c2f05f8f2e191e125ad10b53100a |
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font_02_sfnt_off00016bde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16BDE | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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