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://midufefew.ru/strik?utm_term=best+linux+distribution+for+beginners+2020 PDF link annotation
- https://cdn.sqhk.co/gukisafuw/gigdjda/bazikiluvaki.pdfIn PDF document text
- http://widonatozeg.mypressonline.com/jemibuvu.pdfIn PDF document text
- https://pazerutafu.weebly.com/uploads/1/3/5/3/135392620/lugubenapux-limer.pdfIn PDF document text
- https://lanekugufer.weebly.com/uploads/1/3/5/3/135351315/tedijisova-zipapegap.pdfIn PDF document text
- http://sufawevugut.mywebcommunity.org/brevent_piste_map.pdfIn PDF document text
- https://jenifamizoj.weebly.com/uploads/1/3/5/3/135319667/nofefuvepi.pdfIn PDF document text
- https://cdn.sqhk.co/bexefoboxevi/0hgEgfo/samsung_push_service.pdfIn PDF document text
- http://rejawulomov.mywebcommunity.org/javerenuzolaxez.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427105/normal_6057af9178d5d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475739/normal_601de9d36f96c.pdfIn PDF document text
- https://rodawuliwunugen.weebly.com/uploads/1/3/4/4/134490897/2087057.pdfIn PDF document text
- http://zapitexidij.mypressonline.com/gofamerovomolajebalasozi.pdfIn PDF document text
- http://rixuliketasaban.mywebcommunity.org/70850667383.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://5e54d98c-4257-4cc7-9010-48f3df296eb2.filesusr.com/ugd/05240c_6cff95b49af34559825e86659fabe652.pdf?index=trueIn PDF document text
- https://e20d271a-53e3-41f9-9180-d6cd5f9fd148.filesusr.com/ugd/6cfc61_1c447b29db014f3bb15fe099517bc498.pdf?index=trueIn PDF document text
- https://089130c0-62ae-4bf1-a93c-656440fe8451.filesusr.com/ugd/738632_88c180f281a846959516901e3476d37b.pdf?index=trueIn PDF document text
- https://e05653fc-386e-4c8b-889d-738aee72c63e.filesusr.com/ugd/62421a_918f6fe4bea04881a161fc7e26f6be28.pdf?index=trueIn PDF document text
- https://34570882-574e-4d25-8c0e-d8b9b6c2967f.filesusr.com/ugd/cb2bed_87235cab417e45978191a06c4f126988.pdf?index=trueIn PDF document text
- https://6e37e838-c278-4d46-baa9-25b8497af200.filesusr.com/ugd/fbcb80_ee9c11b71886452fac70e1cdc9c89d63.pdf?index=trueIn PDF document text
- https://8d40832c-2e2b-4284-8151-bb35a16d80ac.filesusr.com/ugd/05d014_f0a285750fcf4d4bab8734b38d8f2f45.pdf?index=trueIn PDF document text
- https://3c8197b3-f999-4f29-b3da-fbdfea3dbf34.filesusr.com/ugd/0047a4_541a5646a8b448ba96282d92896893a2.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_off0000ebee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBEE | 2900 bytes |
SHA-256: a28fcc4ba65d8171a55e8b87d646ac5d1dd213f66ab2b0026fd39e5ca5d32d1a |
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font_01_sfnt_off0000f630.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF630 | 5396 bytes |
SHA-256: 5237944d50381ce5ba7af13ba3c5c0cadedee4f0281f609665dad8c66441c468 |
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font_02_sfnt_off000108a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108A7 | 11092 bytes |
SHA-256: 1be20819346fc35ba75d0a090ffb9ff8b9a3b85aaa8cad1dc8bad48d68b0b9cb |
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