MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier, specifically flagging it as a redirector link farm. It contains numerous embedded URLs pointing to disposable hosting and potentially malicious domains, designed to lead users to external content. The presence of a link to 'yafferge.ru' with a 'how to connect merkury bluetooth headphones' query suggests a phishing or scam lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/strik?utm_term=how+to+connect+both+merkury+bluetooth+headphones In PDF document text
- https://nodokesomizi.weebly.com/uploads/1/3/4/6/134656280/97ce3182c30.pdfIn PDF document text
- https://cdn.sqhk.co/bozogekeji/v87Juhb/free_get_app_iphone_offline.pdfIn PDF document text
- https://cdn.sqhk.co/jemowevu/hhdyicn/tugiruwufa.pdfIn PDF document text
- https://cdn.sqhk.co/monasomeb/cjdji5I/ant_colony_optimization_code.pdfIn PDF document text
- https://cdn.sqhk.co/zubavagi/YPK7Cib/13202423200.pdfIn PDF document text
- https://zamamuxito.weebly.com/uploads/1/3/4/2/134234866/faluralu-denedavalip-nedasirozuv.pdfIn PDF document text
- https://nitomono.weebly.com/uploads/1/3/1/4/131454496/gotubatebolo.pdfIn PDF document text
- http://apple-fruit.space/sevilisuzefozalubasomh6o.pdfIn PDF document text
- http://serviceforyou.site/fojupikikidugipivuwufgzirg.pdfIn PDF document text
- https://fejamelaluboj.weebly.com/uploads/1/3/4/3/134311679/rosudeduvikiwi_pikomewewo_mitogenubob.pdfIn PDF document text
- https://zivejopoji.weebly.com/uploads/1/3/4/2/134266783/komuzigopavot.pdfIn PDF document text
- https://vubopedu.weebly.com/uploads/1/3/6/0/136083963/wezut.pdfIn PDF document text
- https://silatasetexa.weebly.com/uploads/1/3/1/6/131637876/5c7ae7932f51.pdfIn PDF document text
- https://xewulowew.weebly.com/uploads/1/3/4/7/134757629/zekolukekugex.pdfIn PDF document text
- https://kazowotamije.weebly.com/uploads/1/3/4/0/134012594/2503585.pdfIn PDF document text
- https://semulojera.weebly.com/uploads/1/3/2/6/132695334/pusugigazosox.pdfIn PDF document text
- https://dipalowijoje.weebly.com/uploads/1/3/0/9/130969855/disigemuvupitexiwara.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000109a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109A1 | 2952 bytes |
SHA-256: 013fc9f45313cdddd5762e6694753e55f6a85ad2eec225b6e17fd140af1ee5c7 |
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font_01_sfnt_off00011430.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11430 | 5672 bytes |
SHA-256: 7271c2a612aec0afd8fde127204f2cee810dff29a2bf183c0a8941c9a8db7390 |
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font_02_sfnt_off0001275c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1275C | 11112 bytes |
SHA-256: 15daf41448d09ac74231286f99fa870accfc504925d2aefdc44cf0800baa9179 |
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font_03_sfnt_off00014d6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D6B | 16092 bytes |
SHA-256: 39b2f4b99ee08965fd4836f89f628a00cde8346cb181131bba0308e80db8fb67 |
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