MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, identified as a link farm, with many pointing to disposable hosting. This is a common tactic for phishing or distributing malware. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware delivery via the embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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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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://ketchas.ru/pbw?utm_term=critical+thinking+worksheets+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4403117/normal_606650a8b84cb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4490273/normal_5ffc836c8dcdc.pdfIn PDF document text
- https://lapefobok.weebly.com/uploads/1/3/4/6/134663543/5679422.pdfIn PDF document text
- https://kobenavu.weebly.com/uploads/1/3/4/7/134714827/votemizulujosivuta.pdfIn PDF document text
- https://burakobid.weebly.com/uploads/1/3/4/6/134602904/tolezopisa.pdfIn PDF document text
- https://tulixepatezapik.weebly.com/uploads/1/3/4/9/134902644/nitisajimiduw-jasubewage.pdfIn PDF document text
- https://xifutasuwisesa.weebly.com/uploads/1/3/2/3/132302919/romumumeguganiz.pdfIn PDF document text
- https://mimuromujalu.weebly.com/uploads/1/3/0/7/130739347/6870782.pdfIn PDF document text
- https://wuxigato.weebly.com/uploads/1/3/2/6/132680835/2c0f4925.pdfIn PDF document text
- https://nofemifi.weebly.com/uploads/1/3/2/7/132710694/6a4f3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460045/normal_60654ae251773.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4422908/normal_5fecf3da47e58.pdfIn PDF document text
- https://nukusiluvo.weebly.com/uploads/1/3/4/6/134612364/8527123.pdfIn PDF document text
- https://dekoreriso.weebly.com/uploads/1/3/7/5/137501726/gagakozunex.pdfIn PDF document text
- https://wefidabewurar.weebly.com/uploads/1/3/1/1/131164485/gisuvoluluxex-jusirawekixib.pdfIn PDF document text
- https://wuzitefagoxu.weebly.com/uploads/1/3/1/8/131856046/nedupuf.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/fe6774ea-598f-4445-a29b-f019f9228cd0/ralupipujunomuwerelomez.pdfIn PDF document text
- http://momabigada.pbworks.com/f/download_five_nights_at_freddys_vr_help_wanted.pdfIn PDF document text
- http://bopidix.pbworks.com/f/51702794868.pdfIn PDF document text
- http://letonepamusi.pbworks.com/f/el_quijote_de_la_mancha_obra_de_teatro.pdfIn PDF document text
- http://bulafiko.pbworks.com/f/33385963488.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1bc73273-1e10-4c2d-8eaf-6ec86100dee2/56258679330.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3fb566e6-42b2-4d58-8330-ad688aab3430/13890878954.pdfIn PDF document text
- http://kelivesas.pbworks.com/w/file/fetch/144474387/.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bd321f00-4ebe-444c-9caa-72710e856b9a/2169298002.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e3067211-9486-4b25-8fd3-aad65039cbf3/65620664390.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_off0000e862.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE862 | 5476 bytes |
SHA-256: 009f35eb039991ed3cf454ba033b3bc8d09a6ac5c7ee2fdd74e168caa3a6fffa |
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font_01_sfnt_off0000fb0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB0C | 11896 bytes |
SHA-256: e3c7528a377c30817c788a3d130c29e374f95b82295a0cd218915d0f8a9b32b0 |
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