MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1204.002 Malicious Link
The PDF document contains numerous external links, characteristic of a link farm, designed to redirect users to malicious content. The SE_CLICKFIX heuristic indicates the document attempts social engineering by instructing users to execute commands, likely to bypass security measures and download a payload. The ML classifier and ClamAV detection strongly suggest malicious intent, with the primary malicious URL being mezovuduw.ru.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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://mezovuduw.ru/award?keyword=converter+pdf+to+word+free+download PDF link annotation
- https://static.s123-cdn-static.com/uploads/4393204/normal_5fc98821714f4.pdfIn PDF document text
- https://cdn.sqhk.co/julukimesof/giEAilO/navneet_rana_picture_film.pdfIn PDF document text
- https://gilurumujeluzem.weebly.com/uploads/1/3/1/8/131857598/40a40030.pdfIn PDF document text
- https://wikabolodaj.weebly.com/uploads/1/3/4/6/134648749/lisudajufasal.pdfIn PDF document text
- https://rodelifefi.weebly.com/uploads/1/3/0/7/130776661/jezukaluniwozidiwuw.pdfIn PDF document text
- https://senorori.weebly.com/uploads/1/3/4/6/134641151/bamawi.pdfIn PDF document text
- https://bikezurikol.weebly.com/uploads/1/3/4/6/134612173/0153d82a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379616/normal_5febfe6a7e918.pdfIn PDF document text
- https://cdn.sqhk.co/dekaroku/jaWkXii/cosmopolitan_las_vegas_rooms_youtube.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419205/normal_6028f56d75b9c.pdfIn PDF document text
- https://cdn.sqhk.co/bexefoboxevi/8hggiu5/73967362457.pdfIn PDF document text
- https://cdn.sqhk.co/pigevikuwi/y6dhhwx/dezonapizabi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://4121a797-204a-431c-92a8-8e24072fb342.filesusr.com/ugd/b972d5_5d9e64118afc459ebfa18e9701b6a25b.pdf?index=trueIn PDF document text
- https://e20d271a-53e3-41f9-9180-d6cd5f9fd148.filesusr.com/ugd/6cfc61_b709792cff0b498daa41f8c5b0f173ca.pdf?index=trueIn PDF document text
- https://8d2868a3-57b7-484c-81f6-493c1c4f5daa.filesusr.com/ugd/a8ca0f_b0e133afd7a2467e9e03c4cea178d5e1.pdf?index=trueIn PDF document text
- https://1cd0d4d5-11d4-440c-a307-81f73801f601.filesusr.com/ugd/f0e51d_01bbe6c13532481b8ffa2023b7b690d2.pdf?index=trueIn PDF document text
- https://3a00e800-a8eb-44ae-aafc-ae9aecab8e06.filesusr.com/ugd/1715bf_2303c801701a430b84f228a146e102c2.pdf?index=trueIn PDF document text
- https://c1d61d78-9bae-425c-b347-ee91470fe4f1.filesusr.com/ugd/60933b_216fe3756312425ea656f15046154608.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_off0000df0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF0D | 4912 bytes |
SHA-256: 1c5eda7416a0db626773e2c0413f7fb4607c8c1eb7ddee5310e12b3f2365a815 |
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font_01_sfnt_off0000efe9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFE9 | 10668 bytes |
SHA-256: bd51db549b39592d940e64930ee9956ebf3688736ecd3c72bfc1845b65cb2d76 |
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