MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, identified as a link farm, likely intended to manipulate search engine results or redirect users to malicious content. ClamAV and ML classifiers strongly indicate maliciousness, with the PDF_SEO_LINK_FARM heuristic confirming the link farm behavior. While no scripts were explicitly extracted, the nature of the link farm suggests a potential for JavaScript execution or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://queure.ru/pbw?utm_term=national+dysphagia+diet+guidelines+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4403814/normal_5fcd28e1e291a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4424025/normal_5ffd1104a6c94.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4401515/normal_5fe09dc92751a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464869/normal_6009d8c46c0d3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470218/normal_600f9beb8299a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470689/normal_604cef400f166.pdfIn PDF document text
- https://bisaderivulele.weebly.com/uploads/1/3/4/7/134744485/wikimidazimunas.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366020/normal_60060fec0b737.pdfIn PDF document text
- https://goromezamoko.weebly.com/uploads/1/3/4/7/134753948/6879055.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4468540/normal_605d60371d9dc.pdfIn PDF document text
- https://bojibelatos.weebly.com/uploads/1/3/4/0/134040608/logare_pepadotidinewi_fokifazawaburem.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453550/normal_602c12d44b08b.pdfIn PDF document text
- https://faliroralomi.weebly.com/uploads/1/3/0/8/130874474/977b98.pdfIn PDF document text
- https://reforolirif.weebly.com/uploads/1/3/4/8/134885236/sewijevixep.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473651/normal_603e8fda2d1ba.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4410448/normal_5ff16a51c1fec.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392195/normal_602715f899c21.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://momoruxoxim.pbworks.com/w/file/fetch/144776478/61652576300.pdfIn PDF document text
- http://lonazetubuz.pbworks.com/f/60109680440.pdfIn PDF document text
- http://lekuzax.pbworks.com/f/shaun_king_net_worth_nfl.pdfIn PDF document text
- http://rimogeto.pbworks.com/f/honda_cb500f_service_manual_2013.pdfIn PDF document text
- http://nusuwoxub.pbworks.com/f/is_there_no_netflix_app_for_ipad.pdfIn PDF document text
- http://tubekikewabi.pbworks.com/w/file/fetch/144795558/how_to_get_popcorn_time_on_android_tv.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_off0000e18d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE18D | 5276 bytes |
SHA-256: 1d25a7eb4980867a607f25f38ff1c337bb028aef738d9c343827fc03a0de1df2 |
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font_01_sfnt_off0000f395.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF395 | 10580 bytes |
SHA-256: f9011a123acc312e84130157fb4c484540a72b8c824e51fa5ab1b42f70dfa4d9 |
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