MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm or SEO manipulation tactic. ClamAV and ML classifiers identified the file as malicious, specifically flagging it as a phishing trojan. The embedded links likely lead to further malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://seumenha.ru/strik?utm_term=dillon+550b+progressive+reloading+press PDF link annotation
- http://majelogajizivo.iblogger.org/30228603509.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413120/normal_602d39803a79f.pdfIn PDF document text
- http://triple-doska5.club/respironics_bilichek_service_manualod3y5.pdfIn PDF document text
- http://upgrade4me.com/40127332907f76cy.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4483081/normal_5fdf31e2134a1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413004/normal_5ffe868d711a2.pdfIn PDF document text
- http://wide-do.top/bukoruj6qse8.pdfIn PDF document text
- http://myfirstsite.xyz/31612053634y989u.pdfIn PDF document text
- https://zafudibibini.weebly.com/uploads/1/3/4/1/134108698/5080757.pdfIn PDF document text
- https://leketupafap.weebly.com/uploads/1/3/4/5/134527175/38f9c75b7.pdfIn PDF document text
- http://italywow.info/74211701114x6kyw.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467975/normal_6041dac7eec2b.pdfIn PDF document text
- http://juluzenaluziwo.22web.org/99662024392.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451945/normal_5fc819481742e.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://40e214c1-1950-44e8-a195-e2c6eeb23253.filesusr.com/ugd/a517f4_b295159e69b74aa0bebbb4c6145e91d2.pdf?index=trueIn PDF document text
- https://8717ace1-8174-44a1-9f98-e7cbf9e9ed94.filesusr.com/ugd/14e3be_52b77812292c4d1b860899bae5f51a9b.pdf?index=trueIn PDF document text
- https://16cc4848-9a85-487f-bc1d-da55f68f8448.filesusr.com/ugd/dcf86b_9f60b4c53d9f490a9a38bbfff009a27a.pdf?index=trueIn PDF document text
- http://mivozupulakirad.epizy.com/designing_data_intensive_applications.pdfIn PDF document text
- https://71e5fc8e-cc9a-4633-96c3-2c70acd464d0.filesusr.com/ugd/f08e01_8f8d5da0924647018b9290f2c5efb525.pdf?index=trueIn PDF document text
- https://cf336f9a-6a79-4542-9269-5b62d6eb69dd.filesusr.com/ugd/1daf83_bd64e664332d47739977068b5d00d04b.pdf?index=trueIn PDF document text
- https://cd9ed9ec-87d1-42be-9198-0b2de6c1db4d.filesusr.com/ugd/158fb9_b1bfedad50e946a5a5f09a8329a4572b.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f7ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7FF | 5300 bytes |
SHA-256: ac9aa45e08b1339927b826deaeeb94e95ffaf90c18f185f6ebca71ba0a909eb2 |
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font_01_sfnt_off00010a04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A04 | 11960 bytes |
SHA-256: 3a3a9563c5fc47f3542c258968b73f28b01ed30979fb4ec76c5525cc842d8e20 |
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font_02_sfnt_off0001310f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1310F | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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