MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains embedded URLs and is flagged by heuristics as a link farm and malicious by ML classifiers and ClamAV. The primary URL, https://kuzutuzo.ru/wix?keyword=briggs+and+stratton+550ex+140cc+oil+change, appears to be a lure for search engine optimization, aiming to redirect users to malicious content. No scripts were extracted, but the overall structure and URL usage suggest a phishing or redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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 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://kuzutuzo.ru/wix?keyword=briggs+and+stratton+550ex+140cc+oil+change PDF link annotation
- https://cdn-cms.f-static.net/uploads/4425484/normal_6048de66cddea.pdfIn PDF document text
- http://apparently-home.com/29044127638yem2p.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4491965/normal_5fde018e4e3bc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481988/normal_601de793bdae8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410976/normal_600c1b9d282e5.pdfIn PDF document text
- http://scarcebook.com/bugapozebap85qtm.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4462059/normal_5feb375771d73.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405687/normal_6049b8e0ec436.pdfIn PDF document text
- http://libertinemodels.com/ys_8_approval_guidehkuo9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411231/normal_6035e4c34f807.pdfIn PDF document text
- http://1xbet-registrat.site/592897977691xroz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491173/normal_604d40d563b8b.pdfIn PDF document text
- http://steblin.pro/nuance_power_3_free_downloadt8o5d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4472766/normal_5fe4a09153217.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://1b2c4efd-c8eb-4b04-b26f-b9154d704720.filesusr.com/ugd/d3758e_0432241ad7524d21ad4e8f1dbc7e21e1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a3e8fad4-fd05-400b-b081-f2d1ad1ca12d/zexufijuta.pdfIn PDF document text
- https://s3.amazonaws.com/fofeguj/joker_and_harley_quinn_wallpaper_free.pdfIn PDF document text
- https://s3.amazonaws.com/boxujetanonikuv/30239815723.pdfIn PDF document text
- https://86a6be6f-1c3f-48a2-98e5-8a654ddc1212.filesusr.com/ugd/027f51_b0a779fa1a9248f382fa0ac56397ea62.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dazifozixawus/zijozibemik.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5a6b57e4-5d61-453e-858c-24de327a83bf/ezra_4_6-23.pdfIn PDF document text
- https://s3.amazonaws.com/fukezavazuj/ismart_shankar_movie_songs_naasongs._com.pdfIn PDF document text
- https://aa6d2f86-95e2-42cc-897e-6bbd71c3a116.filesusr.com/ugd/78daac_8c28e8c6dc9343ea9899edbce1b029a2.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_off0000f10a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF10A | 5512 bytes |
SHA-256: 6a559f66828214abf314ab1218fca5c232b4a6e8b9d4803b946b84dc6aab5f4f |
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font_01_sfnt_off000103c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103C7 | 11064 bytes |
SHA-256: 86bb12d21d16b27818cac84e102909d2e3e1a3e44f027d487cd2dac518b08be5 |
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font_02_sfnt_off00012958.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12958 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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