MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm or redirection scheme. The document body is heavily obfuscated and contains what appears to be metadata from the wkhtmltopdf tool, but no clear user-facing content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://leonvi.ru/strik?utm_term=how+to+change+battery+in+dsc+glass+break+detector PDF link annotation
- https://povebosi.weebly.com/uploads/1/3/5/3/135346093/355475c.pdfIn PDF document text
- https://vixalabalu.weebly.com/uploads/1/3/4/3/134396729/fa7b4b26de6e88.pdfIn PDF document text
- https://vaturelola.weebly.com/uploads/1/3/4/7/134704713/reduvax.pdfIn PDF document text
- http://freshmind.net/nenexedowoxoga3wat8.pdfIn PDF document text
- http://tryici.xyz/small_terraced_house_interior_design_ideashrj4w.pdfIn PDF document text
- https://navuvosukogeguf.weebly.com/uploads/1/3/1/4/131454151/3651789.pdfIn PDF document text
- https://patijunig.weebly.com/uploads/1/3/0/9/130969449/dafibafo.pdfIn PDF document text
- http://peludofnor.fun/xonowosu32t18.pdfIn PDF document text
- https://wegevarudaredi.weebly.com/uploads/1/3/4/3/134356518/8482166.pdfIn PDF document text
- https://juwomazitebuden.weebly.com/uploads/1/3/1/4/131414743/wolonuxugofup.pdfIn PDF document text
- https://bobefadapuxat.weebly.com/uploads/1/3/4/8/134858353/kexezuzagivi_gogokomuderesop.pdfIn PDF document text
- http://varistop.site/epson_perfection_v550_scanner_reviewtfehz.pdfIn PDF document text
- https://nabaduvikarupad.weebly.com/uploads/1/3/4/0/134096068/dadagidi-voxodat-bemovino-vogubogozak.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://ee6bc897-aa08-459d-b6e6-b1b1d69fcba1.filesusr.com/ugd/7ba596_aafac16b347f44238baf5f7771f8e3ad.pdf?index=trueIn PDF document text
- https://247e77cc-5367-4382-8586-7c5891409f42.filesusr.com/ugd/2dbf5a_4436fa45a8b944a1bde5839538eb91c2.pdf?index=trueIn PDF document text
- https://af18ad75-7652-4b25-b9e0-8da5fded0af1.filesusr.com/ugd/529385_139793d2cb1d478686866af9236e1a92.pdf?index=trueIn PDF document text
- https://d05b2b94-0af3-401c-a6ef-75d00d0b58ae.filesusr.com/ugd/3bca44_d7195a95993e43968f19e2784444c15a.pdf?index=trueIn PDF document text
- https://441dbedc-201a-49d7-bb2a-292980023e2b.filesusr.com/ugd/473728_00689ef1bc964c2894001b0e8732122b.pdf?index=trueIn PDF document text
- https://9ef77391-fdd1-48d8-ba15-364b07375333.filesusr.com/ugd/ebefdf_3a1d5b17a5fd47c9965042f3950cb535.pdf?index=trueIn PDF document text
- https://c31d65df-273c-4bcc-acfb-7b03b0724b99.filesusr.com/ugd/e7e4a0_b9a9e9c567f446e6a741896470d79548.pdf?index=trueIn 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_off0000f2f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2F5 | 5560 bytes |
SHA-256: 08c16473667141dccaa2f933dd6b9672a6dcca823c65d361e236c70474bf169c |
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font_01_sfnt_off000105eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105EB | 10848 bytes |
SHA-256: 3fb6f0c7a96fc7ed7e3f1be19c8d11e4adfe383fc7b111196d73c8509ee36c4d |
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