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 0.9996
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://soxebez.ru/award?keyword=cordon+umbilical+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4448536/normal_6020b3b75b876.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458618/normal_5fd22e8f157dc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382779/normal_600c5d434685e.pdfIn PDF document text
- https://tozubovudifudi.weebly.com/uploads/1/3/5/9/135973827/7546151.pdfIn PDF document text
- https://duzuvopewawufos.weebly.com/uploads/1/3/4/4/134491429/8290432.pdfIn PDF document text
- http://lefibipefazefep.mypressonline.com/how_to_use_combat_knife_resident_evil_2.pdfIn PDF document text
- http://silujokiz.mypressonline.com/essential_elements_2020_eb_alto_saxophone_book._1.pdfIn PDF document text
- http://sesizuxewewax.mygamesonline.org/9104092872.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376625/normal_5fd8ec46ef750.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/d3fe8728-c1d4-4bd0-9bc5-cd3b27e9bd82/38575435898.pdfIn PDF document text
- https://d12e84a0-9808-45da-82c6-613dfe540d1b.filesusr.com/ugd/dc8a8e_45252832de5240939e0dbdf435950142.pdf?index=trueIn PDF document text
- https://45f91bdd-2b68-4e60-ae2c-b14373ae5332.filesusr.com/ugd/0d089b_d161f46c1f3f43f2b4079d732816a0a3.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xefejevife/ei_reporting_service_number.pdfIn PDF document text
- https://4adff18d-dc39-4349-be2c-eeb12737f1cb.filesusr.com/ugd/9117e0_ff19c7c0fac74ba5addec12ba1d0deb6.pdf?index=trueIn PDF document text
- https://1ac5d900-0c69-4f12-8b1d-4e209472b8d2.filesusr.com/ugd/828753_5bae02f6098c4674a7d8e32b6c2c03dc.pdf?index=trueIn PDF document text
- http://xuxalonitu.onlinewebshop.net/asp.net_interview_questions_and_answers.pdfIn PDF document text
- https://s3.amazonaws.com/varolexexus/gasinojuvewiwolavule.pdfIn PDF document text
- https://s3.amazonaws.com/tezude/the_story_of_oj_lyrics_az.pdfIn PDF document text
- https://s3.amazonaws.com/donake/barcode_scanner_attachment_for_android_tablet.pdfIn PDF document text
- https://305aa2e3-e1d2-413d-aa2e-f1bb83d03ded.filesusr.com/ugd/92ee2b_703889f854ea4fbb9ae55d1f3f8d58db.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/rejiner/graco_high_back_booster_seat_expiration.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9abc5dfb-fc8a-4967-8886-ead93e9e5afd/99095290660.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_off00013a30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A30 | 5168 bytes |
SHA-256: 6c91060d50b553ba4e637bff88ca043be0538ea61d7966b9827aa0d26966ad97 |
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font_01_sfnt_off00014ba3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14BA3 | 12636 bytes |
SHA-256: 90f1b8734b028aa00b757932a8827c472bd6850cdb262f56c97a3c499f51e2c7 |
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