MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://druttle.ru/wix?keyword=cute+unique+baby+boy+names+yahoo+answers PDF link annotation
- https://cdn.sqhk.co/fenazijeguk/cAjc9Vk/77440531428.pdfIn PDF document text
- https://cdn.sqhk.co/xakurusuk/jcgeB1N/guess_the_word_pictures_and_answers.pdfIn PDF document text
- https://mibivatoroxup.weebly.com/uploads/1/3/4/7/134762409/b8f298e.pdfIn PDF document text
- https://cdn.sqhk.co/tijinujul/geIUhjY/juxokot.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4373527/normal_5fec69c4b14d8.pdfIn PDF document text
- http://vivoxasoro.22web.org/abs_academic_journal_guide_2017.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450632/normal_601bdfdb96774.pdfIn PDF document text
- https://cdn.sqhk.co/jigugabopu/en1a2Dv/kusinapevutazojuxefoniti.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/wixamupelinere/84117297490.pdfIn PDF document text
- https://s3.amazonaws.com/xubifupi/autotransformer_starter_timer.pdfIn PDF document text
- https://s3.amazonaws.com/rijaliwiguvex/31837422364.pdfIn PDF document text
- https://s3.amazonaws.com/pizivurapab/volebodevugixizip.pdfIn PDF document text
- http://zoxutuperovizo.epizy.com/wuxagimiredutin.pdfIn PDF document text
- http://lopogoroje.rf.gd/braso_da_repblica.pdfIn PDF document text
- http://tufukupetateto.epizy.com/mapad.pdfIn PDF document text
- http://molitumulejoji.rf.gd/automatically_email_google_spreadsheet.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_off0000d84a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD84A | 5260 bytes |
SHA-256: 584c1171cadf68d110a89b3667391c2292f57acad4b4559e1605d52ba91e092d |
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font_01_sfnt_off0000ea10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA10 | 15788 bytes |
SHA-256: 48502ae4008b98696ccb9ec26f01de0a720ee29b83adc22ad671445729735b1f |
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