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 0.9997
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://seumenha.ru/123?utm_term=plexiform+neurofibroma+spine+radiology PDF link annotation
- https://kuwumezebuxe.weebly.com/uploads/1/3/4/1/134131528/nimas.pdfIn PDF document text
- http://gisoboxizaza.mygamesonline.org/how_to_connect_hp_deskjet_3050_j610_series_wireless.pdfIn PDF document text
- https://cdn.sqhk.co/bijukipuj/gxOjfTD/pencil_sketch_drawing_alone_girl.pdfIn PDF document text
- https://rijozixofufake.weebly.com/uploads/1/3/4/5/134509282/ed7f1c1c05b9d59.pdfIn PDF document text
- http://fanisore.sportsontheweb.net/venn_diagram_definition_math.pdfIn PDF document text
- https://cdn.sqhk.co/vusutazomaga/npgghil/that_level_again_2_13.pdfIn PDF document text
- https://vurerabekude.weebly.com/uploads/1/3/4/4/134493837/zusibowegutope.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kuzemepusiloj.onlinewebshop.net/vabekisu.pdfIn PDF document text
- https://s3.amazonaws.com/lizuseguwix/predator_9000_price.pdfIn PDF document text
- https://37e0f79d-b0c1-4727-b76d-5b759c81288f.filesusr.com/ugd/9c66ff_9eb4125f7d6d4fb2b2652b3932d7dd20.pdf?index=trueIn PDF document text
- https://6eed613e-cbae-405e-b458-9655ef9033f8.filesusr.com/ugd/e4f6f0_c91a2195db4249568b0be56ae0bbb20e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3aca7e6d-c79a-45b0-a6a4-976db3200538/feminist_literary_theory_a_reader_mary_eagleton.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2c86552e-0b47-444a-8dbe-0d51ae2bf936/neson.pdfIn PDF document text
- https://s3.amazonaws.com/julaxel/simitatesadazono.pdfIn PDF document text
- https://923a8ca3-316b-4844-b38f-9bc955ad4852.filesusr.com/ugd/312e0e_a345828527c049ae94dce574e989e5bc.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/eb022f8a-ce6d-4409-9017-95ef66dba1c6/the_science_of_psychology_4th_edition.pdfIn PDF document text
- https://s3.amazonaws.com/waxapoz/kalupiwibipevevadanisov.pdfIn PDF document text
- https://s3.amazonaws.com/zarusegibitumet/48282569912.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/417384bc-ac69-4605-b407-f66d32b25062/95844755056.pdfIn PDF document text
- http://dojafeduzig.myartsonline.com/2800427819.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e739.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE739 | 5672 bytes |
SHA-256: edf32ab8b85267eb33d2a4927f0c710f1d5374fe1a4200d92241d36bf3352b25 |
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font_01_sfnt_off0000fa7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA7E | 11736 bytes |
SHA-256: ad298f523c0d327e53761a3eb7456674533013cf52afbe66366b9ea57271716a |
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