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 0.9993
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://midufefew.ru/123?utm_term=rhetorical+analysis+the+declaration+of+independence+worksheet PDF link annotation
- https://menesifewo.weebly.com/uploads/1/3/0/8/130814293/dabijuporejubirep.pdfIn PDF document text
- http://lupokixez.22web.org/electrochemistry_test_with_answers.pdfIn PDF document text
- https://jagusidenoz.weebly.com/uploads/1/3/4/9/134902343/vuwezinuso-nesomiv.pdfIn PDF document text
- https://gedikorewugeg.weebly.com/uploads/1/3/0/7/130775309/milupo.pdfIn PDF document text
- https://jogelobob.weebly.com/uploads/1/3/5/9/135961552/34c29d7875a61.pdfIn PDF document text
- https://nakigere.weebly.com/uploads/1/3/4/6/134608851/8897721.pdfIn PDF document text
- https://revafabeku.weebly.com/uploads/1/3/4/7/134708131/8064086.pdfIn PDF document text
- https://jomokojexenubi.weebly.com/uploads/1/3/4/8/134877089/fa8b068e6eaa.pdfIn PDF document text
- https://fixexetakofipu.weebly.com/uploads/1/3/3/9/133997797/2527899.pdfIn PDF document text
- https://mizijuwewis.weebly.com/uploads/1/3/4/3/134392366/2978488.pdfIn PDF document text
- https://mojipidu.weebly.com/uploads/1/3/4/3/134391160/2811700.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://e8677ced-6330-435e-8237-200fb10408a4.filesusr.com/ugd/a4c1fa_631bf46ad4e440b0a8786808724b1aba.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/mesotodimus/liluzusibulag.pdfIn PDF document text
- https://s3.amazonaws.com/fuvidokibet/15506622190.pdfIn PDF document text
- https://9ef77391-fdd1-48d8-ba15-364b07375333.filesusr.com/ugd/ebefdf_644508b767ed4606a4a8a48eb472123b.pdf?index=trueIn PDF document text
- https://fd0ef26f-7b8f-4c91-b3b2-19f7ec93487a.filesusr.com/ugd/4174bf_77ebbe5ee6fa4e5fbe2a05efcaa68cdb.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/redegelesibif/pumawizexipetizon.pdfIn PDF document text
- https://s3.amazonaws.com/nitirew/wogirajeme.pdfIn PDF document text
- https://8772a198-af03-49ef-8724-5feb7546cb8a.filesusr.com/ugd/436f04_ffeca9aa797d4f55925efccd11f4abcc.pdf?index=trueIn PDF document text
- https://469ee322-798e-4c1d-9571-af6764901f97.filesusr.com/ugd/57169b_4cb5fb596188449e9c45ec1e541c4b51.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/sojebelevenex/boripapenarefemenowosiva.pdfIn PDF document text
- http://paxubar.rf.gd/cereal_box_book_report.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00014492.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14492 | 5296 bytes |
SHA-256: c8f813714695b2023b297b8e32fb2e3d5c4ecd6e9867f82ce7d72467b08a094a |
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font_01_sfnt_off000156a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x156A5 | 10984 bytes |
SHA-256: a4f9afc415d9996577b37048780c8263d9cdaef57dd69516864dff8e2128d0fc |
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font_02_sfnt_off00017c0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17C0E | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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