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-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/123?utm_term=geyser+falls+discount+with+report+card PDF link annotation
- http://sejujanovemo.medianewsonline.com/berserk_of_gluttony_novel_indonesia.pdfIn PDF document text
- http://juwupexutaval.mywebcommunity.org/xitotimumerazuwuzogu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://zobuwijezad.onlinewebshop.net/sijalimowoduw.pdfIn PDF document text
- https://s3.amazonaws.com/mekonulegipero/oracle_ilearning_section_5_quiz_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/976713f0-c731-45a7-8047-1d6305038c9b/tommy_igoe_groove_essentials_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d4514332-1817-4821-89eb-58f209473ff7/60169214199.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b62e9dcb-2b2c-4d9a-bf11-4afca4f43bea/2695473609.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8299392-d6a6-4c2c-89ed-5437937932ef/does_costco_sell_massage_chairs.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fa39f82e-90c5-478b-b267-79c2aef43cf8/65317769215.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6114ba08-a724-4fd6-9b37-73d0b1996d9d/41259692084.pdfIn PDF document text
- https://6a24fdd2-d4a5-4c4b-882b-0f3115751bcf.filesusr.com/ugd/04e6f9_7f206a23c43c42ef9bcff5294fca3453.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/320d51bd-530a-4ff7-b76a-a76d96e0c4f3/liwazefupuwes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/85926d16-1dda-4c39-95ca-d46d6d37afba/english_learning_course_online_in_hindi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/66adc958-abb8-4ddf-9fb0-dd534286034c/how_to_install_a_furnace_filter_whistle.pdfIn PDF document text
- https://793776f3-68b4-44d3-947a-596ce2c6f652.filesusr.com/ugd/4e977a_653263391a4a4c61ad98c3d325f25328.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b7190edd-eff9-4b3c-b159-02f27a29dd1b/70147336634.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/50f5fc30-95cb-4a92-8d22-2a754795b087/books_like_rangers_apprentice_for_adults.pdfIn PDF document text
- http://pisonepegosa.myartsonline.com/sap_basis_interview_questions_with_answers.pdfIn PDF document text
- https://s3.amazonaws.com/kufazete/77979788528.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/567cf1b9-77d6-4df2-8ced-a900066d9024/she_stoops_to_conquer_act_1_scene_1_summary.pdfIn PDF document text
- https://1ac5d900-0c69-4f12-8b1d-4e209472b8d2.filesusr.com/ugd/828753_58e1672e07814b8ca735cb67fc3e70c8.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_off000116d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116D3 | 5468 bytes |
SHA-256: ec071996ccfc81b14e0750e9344e83ef3572d75f6e5ec734a81382c5950093a5 |
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font_01_sfnt_off00012983.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12983 | 11200 bytes |
SHA-256: 29603b04b854139fd793599684d77738a4df83fbf35e5c4cff10f243ef9bf3ba |
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