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 0.9995
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://nipisod.ru/123?utm_term=confidentiality+agreement+employee+template PDF link annotation
- https://wudunuxez.weebly.com/uploads/1/3/1/4/131453857/9fddbcf797c9f8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481052/normal_6016a78003223.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420030/normal_600a1d2c1bf50.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4501645/normal_60055bb77ba35.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454051/normal_5fd0fead6e306.pdfIn PDF document text
- https://vokijovagugudis.weebly.com/uploads/1/3/0/7/130776016/pozajelusogekufidu.pdfIn PDF document text
- https://zotapuzuvekef.weebly.com/uploads/1/3/4/3/134323554/zubiduboj.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367004/normal_5fd8b694138ce.pdfIn PDF document text
- https://tokitojunetibot.weebly.com/uploads/1/3/4/2/134265352/pufimil.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368222/normal_600fb70e7f6d2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455886/normal_6016c9874d1a4.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/bb8b7f37-9a3a-454b-b8b3-de2e5dca466b/wakow.pdfIn PDF document text
- https://s3.amazonaws.com/xuzed/capitalization_worksheets_grade_6.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bb2eadd3-c8ed-4ff0-b5cb-0b68e5de2849/plc_programing_ladder_logic.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/af582d15-22e8-4b60-a951-bbc8243e67d1/scag_freedom_z_parts_diagram.pdfIn PDF document text
- https://s3.amazonaws.com/xijalovelokolep/holt_algebra_1_textbook_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/12798df1-a062-4a0c-afe8-fc3e58f9e8d8/bissell_proheat_2x_pet_pro_instructions.pdfIn PDF document text
- https://s3.amazonaws.com/dutimajizowa/annual_leave_request_form_word.pdfIn PDF document text
- https://s3.amazonaws.com/wapabefizosumi/section_8_nyc_rent_guidelines.pdfIn PDF document text
- https://s3.amazonaws.com/rimepusox/kwarapoly_post_utme_past_question_and_answer.pdfIn PDF document text
- https://s3.amazonaws.com/lijulijowivaze/28156770532.pdfIn PDF document text
- https://s3.amazonaws.com/jejulurowev/rome_2_seleucid_campaign_guide.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001135f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1135F | 5192 bytes |
SHA-256: 505bec72533d377297400334e6f0e2d649730e26b50feeaeb107c86a187d7f2c |
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font_01_sfnt_off000124fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124FC | 11020 bytes |
SHA-256: 78fb394fb39d1156c83aa1c4243fb0a40abf739335b78535a7cb505f3cede9af |
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font_02_sfnt_off00014ad1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14AD1 | 16088 bytes |
SHA-256: 1264a556fabc14c69ec4ba4609a347bffa09942e523f09f2774283a283413be9 |
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