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 0.9998
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=what+camera+settings+for+outdoor+portraits PDF link annotation
- http://chebsvet.ru/ardex_concrete_dressing5z40h.pdfIn PDF document text
- http://lidlid.xyz/1862340772xhn90.pdfIn PDF document text
- https://megefutuw.weebly.com/uploads/1/3/0/9/130969536/5803953.pdfIn PDF document text
- http://ideaita.fun/wijepovapurivubirnm7rs.pdfIn PDF document text
- https://wojedebaroz.weebly.com/uploads/1/3/1/6/131637691/kuboxenoz.pdfIn PDF document text
- https://kekiwudegabute.weebly.com/uploads/1/3/0/8/130813612/zexitomaje_tuvibabi_romox.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/ca348231-701a-4f63-b97f-fa0dd29e5057/sch_binh_php_tn_t_v_36_k.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3cdd936d-6d7b-4d00-81dc-9a20d8457c9c/como_llenar_carta_poder_simple_mexico.pdfIn PDF document text
- https://ebc1add8-0b9d-418e-9e4a-1e287827e933.filesusr.com/ugd/ab63e3_0d1496625f8d4332b2b7dc3f5d839111.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/72db3090-1553-473d-81f9-7820a22d5e0a/62266191564.pdfIn PDF document text
- https://fb5b3b17-6e6a-47c5-ae49-26eddba71e57.filesusr.com/ugd/aff7be_1088a3b69b49422a867fbe8cbe57332b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/2238d3a2-0bbc-4751-b658-382144531d7b/sample_letter_of_recommendation_for_nursing_student_scholarship.pdfIn PDF document text
- https://52a72965-a6d2-471e-b66a-59a59a4d663b.filesusr.com/ugd/e643da_2056e9e8c47b4e28ae1d73b41da466f8.pdf?index=trueIn PDF document text
- https://8f6f9f04-f977-4239-955d-f6aecf2dd879.filesusr.com/ugd/81cd61_cb64ccc44a8340efaeb5b6b3e52f3163.pdf?index=trueIn PDF document text
- https://01d7ec8a-e38e-4e33-8c76-1be31754498b.filesusr.com/ugd/24d943_96e3a101449f498090b594f868c972f5.pdf?index=trueIn PDF document text
- https://183cab0c-2e2b-44e6-b55a-0f82cb58e578.filesusr.com/ugd/133137_ddef847fae034f709206d280f9429186.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c274749e-7b93-4d9d-b4db-0dc6273d41b3/how_to_reset_descale_on_breville_espresso_machine.pdfIn PDF document text
- https://e26976e3-f089-44cc-a2a6-54bcc6cae308.filesusr.com/ugd/0df15e_230a1336d58e42b7850f375ab175a21c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/088fce73-3473-482e-9962-0a5e4320771a/61496129898.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c164031a-4fd3-47d0-8bea-1010a4aec98c/zeny_cut_50_plasma_cutter_manual.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_off0000fe23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE23 | 5552 bytes |
SHA-256: 929a98363a31418d99e3817d3f30b8268f7c95e15339c64571af756ff50e8f97 |
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font_01_sfnt_off000110e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110E5 | 11940 bytes |
SHA-256: 07cfe895975bbca7285b0a4527524319543c80ae002acfa94f4a97cdf7c3a596 |
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