MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of external links, many pointing to disposable domains, which is characteristic of a link farm or phishing campaign. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or SEO abuse. The document body is heavily obfuscated, preventing a clear understanding of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://vilenefex.ru/strik?utm_term=strategic+management+by+fred+david+15th+edition+pdf PDF link annotation
- https://rukatopuwor.weebly.com/uploads/1/3/1/1/131164291/9824477.pdfIn PDF document text
- https://tifizadidamoz.weebly.com/uploads/1/3/1/3/131378816/denevamojagiguw-nagedufijizat-vuzadaz.pdfIn PDF document text
- https://malafusid.weebly.com/uploads/1/3/2/8/132815748/lakiwux.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415768/normal_601e4fc0c6cb8.pdfIn PDF document text
- https://banuvexizuji.weebly.com/uploads/1/3/4/3/134387765/regob.pdfIn PDF document text
- https://rabifupokuwu.weebly.com/uploads/1/3/1/1/131164250/fabutuxavak_zajomekola_ruzizuwajino_jabasokikurapi.pdfIn PDF document text
- https://lovarewido.weebly.com/uploads/1/3/4/3/134322716/wewodup-naxefiwipewunal-fumel.pdfIn PDF document text
- https://kelulove.weebly.com/uploads/1/3/0/7/130775366/e91d68.pdfIn PDF document text
- https://jumugixaz.weebly.com/uploads/1/3/6/0/136028190/7dd5ba574.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455673/normal_603d0d1212c9f.pdfIn PDF document text
- https://vugesajovor.weebly.com/uploads/1/3/4/2/134265649/21606bc0f96.pdfIn PDF document text
- https://guzaxogovi.weebly.com/uploads/1/3/4/6/134651677/selutodolosena.pdfIn PDF document text
- https://zuwuroxiver.weebly.com/uploads/1/3/1/0/131070979/mabam.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://c83cbd6e-a134-4b49-ba12-49f24c654ad9.filesusr.com/ugd/904a8b_5f5ad7bd42674f59b7e41d68d35d9838.pdf?index=trueIn PDF document text
- https://39c1d623-eccb-4af0-a86a-15328a2d61f9.filesusr.com/ugd/3cb6cb_8592ecec520a49a5a6137e7249dfa15e.pdf?index=trueIn PDF document text
- https://4b0cdf75-2e42-4830-99f1-bbdbaec3f661.filesusr.com/ugd/891219_711b29959de04b28b81a36a9a2d6ee35.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5bd85014-2567-44df-84e2-02287f38410a/bombas_hidraulicas_de_engranes_internos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bfe19526-d56d-4d83-bea0-ece16e078624/problems_with_samsung_dishwasher_dw80f600uts.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3b763420-f618-463b-87a3-baff7ab50cd6/how_to_operate_a_margaritaville_margarita_machine.pdfIn PDF document text
- https://cb2d4818-2134-4ea5-ae57-1bc45cfc4292.filesusr.com/ugd/7e787c_a5b347487f4e47d4a2298859006007ac.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_off00015cef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15CEF | 5940 bytes |
SHA-256: 6c9cf64556d56b7327a5f36883fd7c2433b48013a54a9b165f0dd24432cc3b90 |
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font_01_sfnt_off00017115.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17115 | 11140 bytes |
SHA-256: abe4ad36c643a6416aa575fd06cb37ce42307aa79f02a72d2230cca4433877e3 |
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