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 pointing to disposable domains, suggesting a link farm designed to distribute malicious content or phish users. The primary malicious URL identified is 'https://gimoguvi.ru/award?keyword=cations+and+anions+table+pdf', which is likely used to host or redirect to a malicious payload. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://gimoguvi.ru/award?keyword=cations+and+anions+table+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4366033/normal_5fee533d35c4f.pdfIn PDF document text
- http://marketes.pro/26544090273q2s1a.pdfIn PDF document text
- https://kigilepoda.weebly.com/uploads/1/3/4/9/134901239/jimexosa.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4388416/normal_5fded12761325.pdfIn PDF document text
- http://the-job.ru/vataziv6h4j.pdfIn PDF document text
- https://rududevuguwufo.weebly.com/uploads/1/3/4/0/134097114/da4b39909.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369648/normal_603a2e786305d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404103/normal_6022245324709.pdfIn PDF document text
- http://ompala.store/639800124403ho33.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4371787/normal_5ff276a50d2bd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376362/normal_60483003e7c6b.pdfIn PDF document text
- http://thelandofbadideas.com/447462950162qytb.pdfIn PDF document text
- http://palitra-cveta.ru/duvisaxasejed15pt.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405202/normal_600c11804e393.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://s3.amazonaws.com/jotogorurekuro/environmental_impact_assessment_practice_and_participation.pdfIn PDF document text
- https://3ae4d138-4ba3-4962-98fb-1b98b40a6a82.filesusr.com/ugd/38062a_ffaf33d243124e59892e6983737fa063.pdf?index=trueIn PDF document text
- https://2a1457bb-a4d2-449b-8914-d784a503a6da.filesusr.com/ugd/c0fca2_d56f2df46d984f8080c122d0d12a88a3.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xujitezu/dirty_pretty_things_trailer.pdfIn PDF document text
- https://s3.amazonaws.com/nazekisigiduz/77183006839.pdfIn PDF document text
- https://d12e84a0-9808-45da-82c6-613dfe540d1b.filesusr.com/ugd/dc8a8e_c334c1fb221045b2921f1e917e9af8c8.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tometubufimopim/ernest_hemingway_signed_book_for_sale.pdfIn PDF document text
- https://f405dec1-7f90-4f4c-a861-5286f67d0127.filesusr.com/ugd/ab922d_04574d38033e40a4816ba07a909ad8c2.pdf?index=trueIn PDF document text
- https://4454cc88-256b-48ad-9013-c0414c72072d.filesusr.com/ugd/67e251_552686721e664e9d8a8610bc00259a51.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f706.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF706 | 4888 bytes |
SHA-256: 8a71fb8bb95e7589a0338913aa0cfdf18e253e81a704b1bba60feb69abeb56fd |
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font_01_sfnt_off000107ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107AD | 11020 bytes |
SHA-256: 17f84b957a288ced8b8f8db14e78c7ef1a4b605a67be26429b1ee094aadddd6d |
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font_02_sfnt_off00012cc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CC1 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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