MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation tactic. The presence of embedded URLs and the PDF_SEO_LINK_FARM heuristic indicate the document's primary purpose is to redirect users to potentially harmful external sites.
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://bologen.ru/award?keyword=approaches+of+research+pdf PDF link annotation
- https://mipapipav.weebly.com/uploads/1/3/4/0/134012398/4213868.pdfIn PDF document text
- https://jazelisis.weebly.com/uploads/1/3/4/8/134870131/3416187.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421629/normal_601f3098e0a98.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418968/normal_5fd261952705e.pdfIn PDF document text
- https://nesojusoxo.weebly.com/uploads/1/3/4/6/134631750/daf9dd7b.pdfIn PDF document text
- https://roxeviviko.weebly.com/uploads/1/3/5/3/135317288/kubolidid_pikasoginojume.pdfIn PDF document text
- https://xalakadumikimam.weebly.com/uploads/1/3/1/4/131437423/lixumi-nidinujixadux-fitemazisixi.pdfIn PDF document text
- https://cdn.sqhk.co/bulegumu/h5gebhg/minecraft_mods_1._16._2_mac.pdfIn PDF document text
- https://cdn.sqhk.co/kutajanode/UifPR6W/lopuge.pdfIn PDF document text
- https://kuweperiti.weebly.com/uploads/1/3/4/9/134904821/tepofewaki.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414360/normal_603887af0ac4a.pdfIn PDF document text
- https://cdn.sqhk.co/miwavilusaji/HH7aghw/el_arte_de_la_guerra_resumen_slideshare.pdfIn PDF document text
- https://cdn.sqhk.co/xegigujatefa/ljgy6hg/red_sunflowers_meaning.pdfIn PDF document text
- https://butapakenora.weebly.com/uploads/1/3/1/8/131871909/7882666.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365613/normal_6035e0111693d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4407060/normal_5fdd28b4b1099.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454968/normal_601191563e26a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411701/normal_5fe8a279551f6.pdfIn PDF document text
- https://vixijusodu.weebly.com/uploads/1/3/0/7/130776714/c7013e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443803/normal_605d700cd2bf0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408172/normal_604f3db7f40f0.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/9fa9e3ec-edf3-4b87-ad55-db31bbf9f42d/alimentos_y_bebidas_no_saludables.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bf9bd319-53e7-40ce-aeb2-655bc21c931c/penipuvularike.pdfIn 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_off0000ec50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC50 | 5200 bytes |
SHA-256: 34d0fc770b646690b2e95a5169dd683427dbd022d30114d0402f0fd9cc1bc819 |
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font_01_sfnt_off0000fdfa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDFA | 12624 bytes |
SHA-256: 0fbe053fe02cec8ea2618d5e4e937630c5f07983dcef1db51f25ac0ea89bf995 |
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