MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of external links, many of which are hosted on disposable domains or redirectors, indicating a link farm designed to drive traffic. The primary malicious URL identified is https://xajibur.ru/strik, which is likely used for phishing or to serve a secondary payload. The ML classifier and ClamAV detection strongly support the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://xajibur.ru/strik?utm_term=how+to+turn+on+husqvarna+riding+lawn+mower PDF link annotation
- https://wimiberurazem.weebly.com/uploads/1/3/4/3/134351881/9565841.pdfIn PDF document text
- https://lekomuge.weebly.com/uploads/1/3/4/7/134773229/tagiko.pdfIn PDF document text
- http://cashbackk.site/22180371966j0z6w.pdfIn PDF document text
- http://limaxinsto.xyz/82974501369vmwa6.pdfIn PDF document text
- http://sale20.site/color_matching_guide54ubi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://7e073981-ad1c-4081-8dc0-76946ba36063.filesusr.com/ugd/c4f63d_834fda08e52f42c9b1916249a998ce84.pdf?index=trueIn PDF document text
- https://a6132035-7465-4fe4-be4e-2faa96c22dab.filesusr.com/ugd/cf950b_2e32e625868348bfa731c43c230634b9.pdf?index=trueIn PDF document text
- https://09235f31-469a-4613-94fc-36d04c1f642a.filesusr.com/ugd/8b6407_326c49b4974b4d6c866f003c257e23f4.pdf?index=trueIn PDF document text
- https://e97408dc-4b05-4e3b-9f19-f4127feb49ef.filesusr.com/ugd/a42eed_56be2b5671d14bb8b5529e9fbb36dd1d.pdf?index=trueIn PDF document text
- https://7fc1e5b2-1dd8-4457-9de2-3dea1ab9f589.filesusr.com/ugd/fedd61_b5f6429ffc17401593b5e117405d9392.pdf?index=trueIn PDF document text
- https://da18e6a8-d720-42de-a88c-3f13daad7efb.filesusr.com/ugd/08fe48_3f2509d554d345b99d96637f4979a540.pdf?index=trueIn PDF document text
- https://43081b45-6e48-4b43-b724-9328fda377ae.filesusr.com/ugd/26481d_868581c244604b3c87bd5a638421c528.pdf?index=trueIn PDF document text
- https://8bd0dbf5-62e0-4684-a95a-1d9666dfa34a.filesusr.com/ugd/e71694_e544e0f9d67549babfce9e4b7b75f21a.pdf?index=trueIn PDF document text
- https://9539e3d7-93ad-434a-85ac-22bd9bdb82bb.filesusr.com/ugd/df7b34_877ef43065f54795b6541c4c23483574.pdf?index=trueIn PDF document text
- https://780c8f77-0f51-49ab-8dd1-60a90eb210a4.filesusr.com/ugd/1b8612_101117cbbe7749f89345da7727b99376.pdf?index=trueIn PDF document text
- https://e3055f73-6236-423b-b810-4bc1a15f300f.filesusr.com/ugd/fa12d1_32dda66489b54010a088cea8dfa9883b.pdf?index=trueIn PDF document text
- https://95fbbc11-640f-4658-acdf-6e09da746871.filesusr.com/ugd/e42ee3_87f08de1b6fe49a885ec4d01d2184f1a.pdf?index=trueIn PDF document text
- https://e1bd05e7-a2ed-43df-b5fc-9bc8ee0b1a84.filesusr.com/ugd/08acf3_5a026a02ac7241769ee279e882787cfb.pdf?index=trueIn PDF document text
- https://6d4a8fb0-9a8a-4850-8aa1-2b5706121c9a.filesusr.com/ugd/ff2e72_e5b4c0e3ba4744669aa61ebed3b69d35.pdf?index=trueIn PDF document text
- https://6525eaf8-9a42-4119-9fb4-c3d475b3b78e.filesusr.com/ugd/80bfa9_ca52ac60146d45d2aa73aad59beea7d1.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_off0000f6d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6D0 | 5476 bytes |
SHA-256: 28a484b442fc1d1cf153fdfbe6b16d6d4e2010b691a0495e756ec4a5db27987e |
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font_01_sfnt_off00010957.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10957 | 10716 bytes |
SHA-256: e9832f7552921a230e50c60d15a57a194f05109236ff575d735e431edbd26f48 |
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