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-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://zajinet.ru/strik?utm_term=microsoft+word+2013+test+questions+and+answers PDF link annotation
- https://fuvedomuwipiw.weebly.com/uploads/1/3/1/6/131636935/3905579.pdfIn PDF document text
- https://pexaxodosusa.weebly.com/uploads/1/3/0/8/130874045/relusaf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380540/normal_6016a6558995a.pdfIn PDF document text
- https://nilesezijifata.weebly.com/uploads/1/3/4/8/134885493/f3d74168504.pdfIn PDF document text
- https://vutofuwejazow.weebly.com/uploads/1/3/4/3/134321520/teminuv-wuniker-wegip-pepejoritisamos.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421050/normal_5fd7cfaad2e2e.pdfIn PDF document text
- https://sovufejado.weebly.com/uploads/1/3/0/7/130740048/tunoxedegap.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452385/normal_60663c16d36f1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408483/normal_605989f0a61f7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4371272/normal_5ffe0d11c17d0.pdfIn PDF document text
- https://rowiteruna.weebly.com/uploads/1/3/4/4/134470704/binikuvu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365608/normal_5fdb95e8b3fdf.pdfIn PDF document text
- https://bogezemobazuv.weebly.com/uploads/1/3/1/8/131856224/594044bd8000.pdfIn PDF document text
- https://sibujoxosuzeru.weebly.com/uploads/1/3/4/4/134499285/a516b51156a.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/f2d8a258-6476-44d2-871f-177250fcec69/fagor_washing_machine_f02_error.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ee4bf149-ff77-4a34-9b3b-d366f1074068/tojekivuwapetalam.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/452da17c-3d90-405b-a051-0bf3c0ff262a/how_to_clean_a_hoover_windtunnel_2.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c582d0a0-dc44-4a52-b29e-5469b5d5d0a1/what_age_is_a_court_of_thorns_and_roses_for.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/21eeed23-c2bd-4bd6-8fba-25a7a7d0e744/saitek_x52_elite_dangerous_default_layout.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a0933de4-a475-42dc-bb9c-52f1fd687a8f/chapter_7_test_cell_structure_and_function.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8b8b9771-0fc9-42fe-9288-8ab7b3d015c1/23706210185.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_off0000e587.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE587 | 5696 bytes |
SHA-256: 210d703d3cd4151551e79939f55cdc6a1dc976a7aee7c6fd24f2216506e3b086 |
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font_01_sfnt_off0000f918.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF918 | 11212 bytes |
SHA-256: fc5cd618b4c433870fd42228cfb50fde15882f018d5b52fe649649aa6b80546b |
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