MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm likely used for SEO manipulation or to distribute further malicious content. ClamAV and ML classifiers confirm its malicious nature, identifying it as a phishing trojan. The primary attack pattern involves directing users to a network of external URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://soxebez.ru/award?keyword=allegory+definition+and+examples+pdf PDF link annotation
- https://dametubidino.weebly.com/uploads/1/3/1/3/131383661/44e9de5578b.pdfIn PDF document text
- http://xokezuwadem.mygamesonline.org/tata_sky_broadcaster_packs.pdfIn PDF document text
- https://vuzazaba.weebly.com/uploads/1/3/0/8/130813658/ced2302c.pdfIn PDF document text
- http://zoosalon.org/que_es_cuando_sueas_que_se_te_caen_las_muelas4dmi2.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379614/normal_5fdd0fe50839d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480899/normal_603e2bb498467.pdfIn PDF document text
- https://dalatomim.weebly.com/uploads/1/3/4/3/134344090/nexefi_dujezema_rapusemazadil.pdfIn PDF document text
- http://websecurer.tech/transition_words_in_spanishabjl2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471455/normal_60502683104ba.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://koradanizepagow.myartsonline.com/reren.pdfIn PDF document text
- https://153f2bed-3501-4ec5-9468-ed1987511f6d.filesusr.com/ugd/f67134_b0bd4eafe4134757b7cd7a167ec69d6f.pdf?index=trueIn PDF document text
- https://44407f20-7244-4107-9544-84d8151b6f9a.filesusr.com/ugd/8508de_19cbec2ddec747e593cdebd6b0dcfb1d.pdf?index=trueIn PDF document text
- https://6cbe2f5c-748b-4bc6-b691-25a968a47885.filesusr.com/ugd/d6b5da_38f5368a76b04c3b861bfb806f367a41.pdf?index=trueIn PDF document text
- https://f8071fb1-33dc-4bb9-9fe9-292e0ca0d861.filesusr.com/ugd/253000_c4c44645c36d4f7f9c339758a9863b68.pdf?index=trueIn PDF document text
- https://43081b45-6e48-4b43-b724-9328fda377ae.filesusr.com/ugd/26481d_0aa7cdfcd9c44b7eadaf2d2966be8a6c.pdf?index=trueIn PDF document text
- https://081e7fb2-604d-424b-9b75-a58d54a71a44.filesusr.com/ugd/abd6ea_d0717c7dd3b54e8fa0be5329df6588c1.pdf?index=trueIn PDF document text
- https://99f4a897-b223-4833-863a-50ad465ba5d5.filesusr.com/ugd/8e2371_cc4233ab444041a481a86f2e61f38061.pdf?index=trueIn PDF document text
- https://29159626-56e2-4eb2-a8c1-eb081f451e44.filesusr.com/ugd/a58502_194593edcd0e4036a02f4f2da202d19c.pdf?index=trueIn PDF document text
- https://d321836a-1bf8-47c4-b4d3-67fe1e7f0250.filesusr.com/ugd/33ab24_326dc15425644681a0a0101d05968c13.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_off0000f5b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5B1 | 5520 bytes |
SHA-256: 6a8859c4141d5a51a30ca6bccc346e0299c78b291bf1a4a1624d99cd07888e0d |
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font_01_sfnt_off00010871.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10871 | 10996 bytes |
SHA-256: db2cb483810f3ba2683ff23f82d3c9ef3ffb102a1de513ab1416bb8758c948c9 |
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