MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm designed to manipulate search engine rankings or distribute malicious content. The primary link identified, 'https://yafferge.ru/strik?utm_term=how+to+thread+your+bobbin+on+a+brother+sewing+machine', is flagged as malicious and likely serves as a redirector to a phishing or malware distribution site. The presence of numerous PDF links and the malicious redirector strongly indicate a malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/strik?utm_term=how+to+thread+your+bobbin+on+a+brother+sewing+machine In PDF document text
- https://magalezofutik.weebly.com/uploads/1/3/4/5/134599277/bilegepuw_vibexupin_zukowinepetusa.pdfIn PDF document text
- https://cdn.sqhk.co/pirujezexod/ohbtDii/61008136193.pdfIn PDF document text
- https://cdn.sqhk.co/zivuwimavez/NicRVgj/82563875601.pdfIn PDF document text
- http://tejasatobes.medianewsonline.com/mifijexif.pdfIn PDF document text
- http://pakawuwujawo.getenjoyment.net/beekeeping_project_proposal.pdfIn PDF document text
- https://zegepami.weebly.com/uploads/1/3/0/8/130874110/gukudejej-mebuzorowumasev.pdfIn PDF document text
- http://dapajibidamazed.mypressonline.com/free_split_and_merge_files_software.pdfIn PDF document text
- https://limogugopowara.weebly.com/uploads/1/3/1/6/131637055/040366.pdfIn PDF document text
- https://javesuput.weebly.com/uploads/1/3/0/8/130873829/d408aa746.pdfIn PDF document text
- http://tigibisolefora.mygamesonline.org/cementum_caries.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/fibesezati/extent_report_screenshot_not_visible.pdfIn PDF document text
- https://s3.amazonaws.com/dowadotiju/rockstar_social_club_windows_10.pdfIn PDF document text
- https://1747caf2-50c5-4ace-8f30-8d3f4e2f7d49.filesusr.com/ugd/017962_1eb417f7c99b4cc8ae8c8f5893fa9144.pdf?index=trueIn PDF document text
- http://bukezodebas.onlinewebshop.net/apsc_exam_question_paper_download.pdfIn PDF document text
- https://s3.amazonaws.com/lawakux/47536846909.pdfIn PDF document text
- https://e2a3f85e-3ce8-4c76-99a2-e63219cad5ad.filesusr.com/ugd/473d25_d9c59561ac7e4431af5513f22d4c0f0c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jagux/74259722582.pdfIn PDF document text
- https://fd7a53fe-11c1-4e60-83ad-ac1bb997268f.filesusr.com/ugd/5cf23b_5f75c08c6bbf4f179be9f2b5311ce551.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/88375fd5-7e1c-4590-8bb3-f01e34e289ec/imovie_for_ipad_tutorial_for_beginners.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/83d745a8-35c6-4e99-99d8-6857973d9077/riyad-us-saliheen_vol_3_urdu.pdfIn PDF document text
- https://s3.amazonaws.com/joterige/delhi_bye_laws_2021.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bba6d4a4-a6e0-4e2f-8be2-efe1a78e1f04/cuanto_es_4_3_8_en_centimetros.pdfIn PDF document text
- https://a0e9597c-cfbb-4fc1-b0e0-47ed6411b148.filesusr.com/ugd/24269e_171d3ea9fd414ecfbcad55420f1b4db1.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_off0000f053.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF053 | 5616 bytes |
SHA-256: 67c3134062aa4b730ce2d588f6332d38a8af17fa6d4eefe013bec4de53f13a65 |
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font_01_sfnt_off00010351.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10351 | 11024 bytes |
SHA-256: bfd5a6e8fee70c602ed222043bf9ea17f9fd3d3f1665f5a808e11478ffef48f5 |
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