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 0.9990
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://bologen.ru/123?utm_term=chirugali+naa+songs PDF link annotation
- https://cdn-cms.f-static.net/uploads/4402294/normal_6020b76034e83.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4481839/normal_5fecea5626541.pdfIn PDF document text
- https://pamukisap.weebly.com/uploads/1/3/4/7/134761215/bowebudufibimeve.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374835/normal_6053d89f094b9.pdfIn PDF document text
- https://bijejosuti.weebly.com/uploads/1/3/1/6/131637047/ff45602d1e3.pdfIn PDF document text
- http://naturaitalia.space/iadt_guidelines_primary_teethmt1ir.pdfIn PDF document text
- http://migerov.xyz/kawijv9l7b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459640/normal_5feb9b37d7f49.pdfIn PDF document text
- http://kvyovk.xyz/bugunun_saraylisi_1_sub_espanhol9syv7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476133/normal_5fe63297eb390.pdfIn PDF document text
- https://kilewesiviteki.weebly.com/uploads/1/3/1/1/131163613/dekutovasapule.pdfIn PDF document text
- http://trafikcezaodebayisi.com/compare_and_contrast_prokaryotic_and_eukaryotic_cells_using_a_venn_diagram5tl13.pdfIn PDF document text
- https://pajujetijawu.weebly.com/uploads/1/3/4/3/134334360/584082c5.pdfIn PDF document text
- https://fafapiponuge.weebly.com/uploads/1/3/4/6/134692005/kesixilubi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://777dd155-384c-4f1d-a337-8f27b94bb056.filesusr.com/ugd/1ecdae_6bdb71df001c49aba424aa916d636ee0.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/sajatofubote/vishnu_sahasranama_stotram_lyrics_in_hindi.pdfIn PDF document text
- https://f405dec1-7f90-4f4c-a861-5286f67d0127.filesusr.com/ugd/ab922d_4880a06ee1994a7a98ce41385112d67c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xoxaneral/jijasurizabolipajakabuwu.pdfIn PDF document text
- https://s3.amazonaws.com/perurulexi/how_to_drain_a_keurig_compact.pdfIn PDF document text
- https://s3.amazonaws.com/fovezewi/gazalamuf.pdfIn PDF document text
- https://d4cba69e-f3c5-4a64-9e40-69ba24924691.filesusr.com/ugd/b73feb_5dc72f26aa4b4e2282e3224fee19c7bd.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/lodazojamuva/fesikab.pdfIn PDF document text
- https://8e12fe21-47c1-448c-af9e-883e7c84523b.filesusr.com/ugd/52ac5e_0aba971360bb45b7997dcadce1bdded9.pdf?index=trueIn PDF document text
- https://26f2e344-8444-46ea-90c9-5a893bcc2fb3.filesusr.com/ugd/b8c837_c4d6862649a74588851e2bac0474310e.pdf?index=trueIn PDF document text
- https://82656f1f-dd0f-4426-89ca-c5688288f975.filesusr.com/ugd/56de54_4854a217c2f74d309c23067a63403442.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_off0000efc2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFC2 | 4852 bytes |
SHA-256: 64b062454c172e064513143d84cf8e4b1aee60b60542e93171561546548591f2 |
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font_01_sfnt_off00010033.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10033 | 10516 bytes |
SHA-256: 03853d8267bbc0e6fa01ab4bc11c38ce1a3b68bc571ca8f611b11b75ed10cb46 |
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