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 0.9950
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://jottigo.ru/strik?utm_term=invisible+man+ralph+ellison+chapter+summary PDF link annotation
- http://juxisuzuvu.iblogger.org/narrative_writing_graphic_organizer_3rd_grade.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384145/normal_5fdb8b758e786.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459636/normal_5fd68d3d04d35.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4443292/normal_5fff6fa70832d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403120/normal_5fd61b39a73b9.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://uploads.strikinglycdn.com/files/68e93451-bf66-49cb-8f06-9e60f8f5c4d5/enron_scandal_explained_in_simple_terms.pdfIn PDF document text
- http://kirawijivovujej.epizy.com/rarosowevizer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/30d7ab1f-3f47-45e5-ab71-92e215b6fb60/32969463822.pdfIn PDF document text
- https://e0fa0743-814d-41de-b6a5-47f787911882.filesusr.com/ugd/89d2ef_d963681d1f5b428a887daae2e2dfa86d.pdf?index=trueIn PDF document text
- http://semozogeteveka.rf.gd/afcat_exam_details.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/57989cfe-9445-4c31-921d-f11764b8f434/explain_how_the_chemical_structure_of_water_is_related_to_salinity.pdfIn PDF document text
- https://34ec465e-51aa-4dba-9a8c-c05fcfb5ae84.filesusr.com/ugd/df15ee_ec06338ec0c94f05ae9a1fb8a1b55cd6.pdf?index=trueIn PDF document text
- https://47e4df30-8702-49a4-8bd5-327e1546ff06.filesusr.com/ugd/379272_0eb210b74b1f4d2f82ba21b8a030afce.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/411135a4-cd19-4f05-aae4-fc59791fecc2/46678412462.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4957a45a-e670-4c37-be49-af55f82bcb76/introduction_to_machine_learning_with_python_andreas_muller.pdfIn PDF document text
- http://faxipobusevive.rf.gd/zosajaja.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cd272e58-b540-4f8b-9f36-d3ffe1c42121/bajotavejim.pdfIn PDF document text
- https://6e7ef639-f89a-4701-86f9-710a836f1183.filesusr.com/ugd/12745a_c0a6b2b915534642ad704ebb1680f496.pdf?index=trueIn PDF document text
- https://40052bae-d6b0-4be3-9c84-96956a804c69.filesusr.com/ugd/32907c_1997ce0e9d5948ea9376261a6ac2239e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/fe7b006d-192d-4519-b7e2-1fd8142c00f2/kiwawazoneresazaxuv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4cd765a6-bbae-4230-abca-4ecbeb79b477/craftsman_table_saw_motor_upgrade.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a970da9c-56ea-4705-8cbf-f3ab203a6a21/80599589422.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6a6dbbba-bffc-4f44-8f09-4648d171c928/27083756915.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/941e072a-0c22-44fe-acd4-214851366f19/what_does_gdp_measure_in_economics.pdfIn PDF document text
- http://jitemawuvefogox.epizy.com/best_electric_lock_pick_gun.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/14e9a53d-8704-4648-9640-b67be106740f/kenmore_he2_washer_pump_removal.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/34608478-555f-4b97-b787-48f6d4b6c4bd/47133634646.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_off0000fb7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB7B | 5296 bytes |
SHA-256: 1213e132409613510b1c6620babcad72d76b82860ded66d68540310559a28d3f |
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font_01_sfnt_off00010d48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D48 | 10608 bytes |
SHA-256: 589229221270adfde4c90b897207c5178d01e0d441df3fbd0f73958ab437f6e8 |
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font_02_sfnt_off00013191.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13191 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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