MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the PDF contains a large number of external links, suggesting it functions as a link farm. One prominent URL, https://jumiwimov.ru/123?utm_term=admiralty+house+platform+road+southampton, is directly associated with this link farm behavior. The document body is heavily obfuscated, preventing a clear understanding of its specific lure.
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://jumiwimov.ru/123?utm_term=admiralty+house+platform+road+southampton PDF link annotation
- http://smeh-mif.space/nodelogolase69ud4.pdfIn PDF document text
- http://dream-stat.ru/luvefonejuzokuih6n.pdfIn PDF document text
- http://powerhdniy.space/50135982325jhegz.pdfIn PDF document text
- https://puwowuxavuz.weebly.com/uploads/1/3/2/6/132682233/wikub-fozabo-labaxedumo.pdfIn PDF document text
- https://dakubotamijez.weebly.com/uploads/1/3/2/7/132712147/f8f2f4b85a40a4.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://2f60c0de-bae8-48d8-8f3f-ce7907f87c52.filesusr.com/ugd/badafb_51a08858b2ae407fb480f225cfb3df94.pdf?index=trueIn PDF document text
- https://a0a5ada1-270c-452f-b092-d943fc6f0dc0.filesusr.com/ugd/306762_1d6645d3158740a883ff3632597116e9.pdf?index=trueIn PDF document text
- https://b7eb3c74-9f10-4efd-a612-efb7ea03662f.filesusr.com/ugd/7198c1_d7b715bbf54b4d1f9ef24859bd79be44.pdf?index=trueIn PDF document text
- https://7162f0c1-3bb2-4775-9ad2-1e34613fb889.filesusr.com/ugd/595093_93f6b9f0b1b742b589b5ed0615f9ef03.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jaxesabi/fizunidekepubetebe.pdfIn PDF document text
- https://4dcfe184-cd6c-48f8-9f23-5461c743a1d4.filesusr.com/ugd/cc8533_2157d703112f4a6ca25c87720be5f1fa.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wopari/37294964960.pdfIn PDF document text
- https://8a5a474a-a671-4857-921d-d1df0ee72544.filesusr.com/ugd/523716_304c8c48fc6c48dcbc9e0bbb34881e49.pdf?index=trueIn PDF document text
- https://69a21580-3c80-4f81-8097-1ec0bc18215d.filesusr.com/ugd/bd7df1_f707b48cdb764b2f8be6c70933cf195a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/ganubifirigevi/lusujaxunujesomawalironam.pdfIn PDF document text
- https://3f3b26af-a357-4ab7-b723-baa2d0f6bb2b.filesusr.com/ugd/5d6e2e_8fc6bcb8a789490eab009b2af2359d36.pdf?index=trueIn PDF document text
- https://264aa3b4-28a3-4a3b-9cf4-afdf28ba9476.filesusr.com/ugd/28a074_89debf50fdb04122af8936505be4483d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vufuzewasi/xaxofovufunogagiti.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_off0000db1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB1F | 5372 bytes |
SHA-256: ffa2b9f5f0285962a401620451d6b9b3474c5c783d6916dc69f2fe584bf1d41d |
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font_01_sfnt_off0000ed3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED3F | 10692 bytes |
SHA-256: 179ee862bbd17791ded87af0765f88f95e80cfc8a6365882cf90e419f71d01ff |
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