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 0.9995
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://ponafet.ru/award?keyword=ficha+de+avalia%25C3%25A7%25C3%25A3o+para+drenagem+linf%25C3%25A1tica+manual+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4389097/normal_5fe5ed129241c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403679/normal_603bc295413a2.pdfIn PDF document text
- https://jedurabononip.weebly.com/uploads/1/3/1/4/131453193/2311028.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453115/normal_60639641bef16.pdfIn PDF document text
- http://domsale.xyz/nigupugegituy5bgs.pdfIn PDF document text
- https://resafuki.weebly.com/uploads/1/3/1/3/131398359/ac7218cb53.pdfIn PDF document text
- http://merishwheelrecords.com/tesavatupafadujegod24uz3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417205/normal_6034c3ce5694f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416669/normal_60398178153db.pdfIn PDF document text
- https://dupevolorimix.weebly.com/uploads/1/3/4/5/134588768/5b461417fe.pdfIn PDF document text
- https://ranemexamegen.weebly.com/uploads/1/3/4/4/134440137/tilonatarimimamo.pdfIn PDF document text
- https://ximafirufiwazi.weebly.com/uploads/1/3/4/7/134755441/javaxafidadafe.pdfIn PDF document text
- http://mynasert.online/como_cerrar_quemacocos_manualmentecytbd.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/217193f5-1aff-4456-9233-74c57fca7101/dukefolajobefixobelixuma.pdfIn PDF document text
- https://6f8cb219-4830-455d-9ced-b55e65700e85.filesusr.com/ugd/fd30ac_69ccc94b41424f229f3288d10a7ab4a1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e99b25b4-8de7-4554-abe5-446bafc759dd/55196947495.pdfIn PDF document text
- https://ddf64d59-5240-4154-9987-17dfc28e22c7.filesusr.com/ugd/cec570_3b4a306960104ab7b5ec2d151e119f41.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8987991f-204e-4d29-b5fa-a6ae09a5715c/gikufazipaxoz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d6c0c52c-bf64-4b34-877e-00c2b0391fce/lawopoturufebiwajenaju.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b231a128-5f26-430c-8a40-d0bd089dd90c/precalculus_with_limits_ron_larson_6th_edition.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5b0e4341-0844-4f3d-875f-b326346631cd/american_red_cross_blood_donation_eligibility_questions.pdfIn PDF document text
- https://3c86e5df-9a55-47dd-9d5b-c207b25ec6cd.filesusr.com/ugd/72bf36_4e28193774c34c28bdd6fb9aa5cfb349.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d698.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD698 | 6140 bytes |
SHA-256: 354892ed0db00ca18f2875f6c4aef7f69b59f3a713249d72853a7f10bf383775 |
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font_01_sfnt_off0000e9f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9F2 | 11680 bytes |
SHA-256: 4bb4874ef8d3c44c0f7e30fc9681a2b736ddef1269f0ed32764c7d001bed4ab8 |
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