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 0.9997
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://cructi.ru/pbw?utm_term=how+do+sea+lions+protect+themselves PDF link annotation
- https://cdn-cms.f-static.net/uploads/4393898/normal_60656d4f7d0ba.pdfIn PDF document text
- https://xegezutiraviral.weebly.com/uploads/1/3/0/7/130775125/tajojun.pdfIn PDF document text
- https://xiboraritaro.weebly.com/uploads/1/3/4/4/134464700/eb23f0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370284/normal_5fd1c717f3dd3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410694/normal_60ba23e75aaf6.pdfIn PDF document text
- https://rigokapine.weebly.com/uploads/1/3/4/5/134593974/ribozemo.pdfIn PDF document text
- https://baduravimu.weebly.com/uploads/1/3/4/7/134713966/vasepuxudadumozax.pdfIn PDF document text
- https://wubugivaruj.weebly.com/uploads/1/3/4/6/134669137/5770139.pdfIn PDF document text
- https://xepuduwosijun.weebly.com/uploads/1/3/4/6/134634987/fa04600c7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405674/normal_601dbb4f456cc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469860/normal_602b36719166a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/a2d3e74f-4936-43d0-abf0-f50910b00bd8/96144109359.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8655cc7f-71ad-489b-b2a9-115ecce19605/how_do_you_make_a_homemade_wood_splitter.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/26a595bf-ea20-4edc-9c2c-c266bba35018/lomizatonalexomefenexok.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4cc42133-5cf6-48ae-92ad-19ce54a7dd55/taxunubugopov.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b65cc91f-d6dd-4264-a3da-5839dd96b749/highway_safety_central_phone_number.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7a0f833d-9be8-44f5-b961-b08fd3dbcb9b/wotigozexeti.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/62e68f81-ad52-4571-92d9-226ea5ef2952/tempstar_2_stage_gas_furnace_reviews.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/245257dd-3733-4bd8-837d-f0c6d15a78e3/jugifo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fd6f3a00-252f-4a93-8cb7-dd5306d1474b/introduccin_a_la_biologa_celular_alberts_gratis.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fa38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA38 | 5212 bytes |
SHA-256: 312570fa40317142747d3b52d83c23fbf9cf7ac4f20c1a872e63d6887b11c325 |
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font_01_sfnt_off00010bd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BD8 | 10932 bytes |
SHA-256: c5857c10c0624274c896b4e4e0fda8ba3dc95a0b3f7c2de8396597752b232098 |
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font_02_sfnt_off000130a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130A2 | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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