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://leonvi.ru/strik?utm_term=how+to+form+a+single+member+llc+in+california PDF link annotation
- https://cdn-cms.f-static.net/uploads/4480743/normal_5fe7afead459d.pdfIn PDF document text
- http://xovitixekewelom.scienceontheweb.net/panorama_francophone_1_cahier_d_exercices_answers.pdfIn PDF document text
- http://kusukeluwabe.mywebcommunity.org/jutirinakemidurofuvesires.pdfIn PDF document text
- http://fakixigulidol.mywebcommunity.org/rebuv.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379355/normal_6031c81a2bec0.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://a43ab9c2-5efb-4cee-ac06-b782a0f5e207.filesusr.com/ugd/4826f5_2aa90ef0aa824f118eae3287b71c21da.pdf?index=trueIn PDF document text
- http://masemipeba.myartsonline.com/pazuzebura.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/625d699e-193a-491d-b8e6-6507db607abe/53339545314.pdfIn PDF document text
- https://5a11eff3-0c7a-45dd-bb89-060d4d4d2060.filesusr.com/ugd/72216b_c43b114c42ab40a68dbfeaae295ad004.pdf?index=trueIn PDF document text
- https://edb7bb8d-792a-4213-93ec-7f573d37cc74.filesusr.com/ugd/bfd504_e4c5c167fdec4bb5aef003d39393ecf2.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/53f6cd58-de13-473e-994c-8935898cfa8a/48482455156.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ebf7cffb-e5bc-46f2-9b3c-70ad28479c7f/wufoporajujujezoda.pdfIn PDF document text
- http://gifidabula.atwebpages.com/juboxorel.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/89967813-a364-4a80-9419-b61146b0a002/big_little_lies_tv_show_season_3.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b4fc7ae3-569d-47ce-9ef6-bba8758f74d1/petsafe_radio_fence_transmitter.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0e47017b-faf6-4310-b740-f776bc5dd69f/navy_fy20_training_requirements.pdfIn PDF document text
- https://df9240ce-57b4-430e-a582-521170ca5232.filesusr.com/ugd/10b03a_a557a2f942e645fc8e3d7743cca3839d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/415e6a6f-02cc-41e4-a1d4-8bec6ddcc483/givikeb.pdfIn PDF document text
- https://c3438639-6a75-4920-aa4f-d1e0b619354f.filesusr.com/ugd/3be3a7_bda55b3b88b1482caacf05d073e4ef82.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8cfa4fd1-54fa-400f-8f67-e936f5b3c8ed/63493145457.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9b8388e8-1e0a-4d0b-b445-2f36ed1691ea/fluval_305_setup.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_off0000ebba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBBA | 5184 bytes |
SHA-256: 3124f84265684ad4bbcb29b4cd6be7197cfdfcb6bf81ab22056af662bd26340b |
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font_01_sfnt_off0000fd48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD48 | 10760 bytes |
SHA-256: fdc7f0df22800edd5221b65c284b4312672eb303b4a69180d2d1003afcbd9f9b |
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font_02_sfnt_off00012217.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12217 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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