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-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://seumenha.ru/wix?keyword=smart+math+games PDF link annotation
- http://matizaw.mywebcommunity.org/adding_rational_numbers_worksheet.pdfIn PDF document text
- https://cdn.sqhk.co/nulegudup/jdidPhd/kasonokipefugex.pdfIn PDF document text
- http://tetiviguxawik.getenjoyment.net/what_is_the_omnibus_budget_reconciliation_act_of_1990.pdfIn PDF document text
- http://ruwegekugite.22web.org/rafogejomefagufivomekoj.pdfIn PDF document text
- https://cdn.sqhk.co/nejibija/gdUijid/happy_birthday_wishes_song_mr_jatt.pdfIn PDF document text
- http://vitolebizojigok.22web.org/69555385532.pdfIn PDF document text
- https://cdn.sqhk.co/fagaxirupunu/4gceJI1/pepitexuwoxefa.pdfIn PDF document text
- https://cdn.sqhk.co/zulatobi/zThbIGF/82742115098.pdfIn PDF document text
- https://cdn.sqhk.co/tawunipufop/hdhclGP/halloween_costumes_2020_kids.pdfIn PDF document text
- https://cdn.sqhk.co/koroxofusino/GrZdjfj/775665658.pdfIn PDF document text
- https://cdn.sqhk.co/wexufenu/eha6Lg7/26222211715.pdfIn PDF document text
- https://cdn.sqhk.co/bogovureg/bhfRjc9/39221591054.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://d102a0f2-001f-4998-bb0a-88ac30ac05b5.filesusr.com/ugd/771ea4_0803d5b460ea4fa488d69a4cdbfdadd2.pdf?index=trueIn PDF document text
- https://6f4861c6-cdf0-4a5f-ba2d-f9c5e5bfbee6.filesusr.com/ugd/77941b_f6670c62a972432bad3fe9513b7893ff.pdf?index=trueIn PDF document text
- http://todewafigonof.rf.gd/40932318041.pdfIn PDF document text
- https://ad9e3d1f-bb22-46ca-892e-b6aa3325a756.filesusr.com/ugd/837d34_b5cef14744104247bdb0bf8bad12f166.pdf?index=trueIn PDF document text
- https://d05b2b94-0af3-401c-a6ef-75d00d0b58ae.filesusr.com/ugd/3bca44_32f13ae53e31420f9f8e6c159c2505e6.pdf?index=trueIn PDF document text
- https://425e2ee7-996f-4c6d-a593-b44a2a39b733.filesusr.com/ugd/bb05c1_e4a474469f0c4cac989a7528c3b6a1ba.pdf?index=trueIn PDF document text
- https://dc58184e-bbba-402a-8e08-a55d552c8f3f.filesusr.com/ugd/0ebc1f_e6939b412334422aa457f75d7f8e96f8.pdf?index=trueIn PDF document text
- https://ee60c613-3dd1-430d-b711-08e3dcbf0273.filesusr.com/ugd/19ce5d_c337c62335764d2bb59975397b199397.pdf?index=trueIn PDF document text
- https://ca7c05ed-d233-4774-9cf9-08ff86aa6c73.filesusr.com/ugd/b42fd6_2b332dad2d4c4fc2866f68b263bec1ba.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF4E | 4692 bytes |
SHA-256: 7df2fa2d47365bc217f945cefd1fc9e4cb97c521fa71d1963713da258445473f |
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font_01_sfnt_off0000ff28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF28 | 11352 bytes |
SHA-256: 0406c98d6a23710cd5e675ccdedb65a8377e9803d9772ccf4ac54c9a68fdcf9d |
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font_02_sfnt_off00012571.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12571 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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