MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation tactic. The primary URL, 'https://zajinet.ru/aws?utm_term=lexus+es300h+2013', appears to be part of this scheme, potentially leading to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://zajinet.ru/aws?utm_term=lexus+es300h+2013 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4375358/normal_5fd8d4ce29334.pdfIn PDF document text
- https://divaruwidis.weebly.com/uploads/1/3/4/0/134042650/6655108.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483587/normal_60279164ca876.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366003/normal_605956f34684a.pdfIn PDF document text
- https://silatasetexa.weebly.com/uploads/1/3/1/6/131637876/742cbca89f4d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450884/normal_5fd87c09bcf5f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368781/normal_6056f6017a2ae.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474979/normal_5fe8089cb6c1d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4453344/normal_5fee10cf80d55.pdfIn PDF document text
- https://poxagubojawi.weebly.com/uploads/1/3/1/4/131482812/cacdad.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://e1ca4115-fb55-43f9-84f1-eaf814f8c83f.filesusr.com/ugd/18122d_3813337790e64929be330df518af548b.pdf?index=trueIn PDF document text
- https://30c74dc1-c3f2-4e71-8253-1ec84f3b94e1.filesusr.com/ugd/b8c6fa_ca056926459b4d8590d4083cab2535fc.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f0baaca9-9251-4494-987b-ef94b6fb8179/search_for_google_play_games.pdfIn PDF document text
- https://c4bedd8b-a3e9-4aa8-9751-a6fde4035b7e.filesusr.com/ugd/037f08_dfb54beeadc742558cbcbc5490f5807e.pdf?index=trueIn PDF document text
- https://b20aee1f-b1b7-4e4e-be5e-d884e4ece670.filesusr.com/ugd/10e3af_85f826a1bbd0460a9e7f16442c1f002b.pdf?index=trueIn PDF document text
- https://1c92f6d8-19eb-429c-9239-1cf6be91372f.filesusr.com/ugd/cc1a03_a93fe60b08cb458592862a3e7df2bbfb.pdf?index=trueIn PDF document text
- https://17500468-634e-4f48-81ad-48a4a068d6fa.filesusr.com/ugd/dcac76_2191c5273155407aad917883c0a72f9e.pdf?index=trueIn PDF document text
- https://9ebe8999-295a-4f11-87dc-c96f3e1b46ff.filesusr.com/ugd/8de238_effa3a83acdf4425a2a39c29655e3e77.pdf?index=trueIn PDF document text
- https://793776f3-68b4-44d3-947a-596ce2c6f652.filesusr.com/ugd/4e977a_83cecaf3ee764d68ad2e1f1414c924e9.pdf?index=trueIn PDF document text
- https://8137cd1e-393d-4948-8193-eca935452849.filesusr.com/ugd/756799_1bb05cf8f56545459e76c01dd440daee.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5c5b9728-ebcf-4951-abdc-4526b1ed0b84/33327935052.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_off000115af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115AF | 4932 bytes |
SHA-256: 0cb050b130e474d184723829ff1755cfaafc55e3901c0c89307d34dab385de2f |
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font_01_sfnt_off0001268b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1268B | 11272 bytes |
SHA-256: fefa8bdffe501682cecb6a0379a480417979714f94c5cc9a5e699e2dfb1568c2 |
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