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 0.9990
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://jacksth.ru/123?utm_term=jko+hipaa+training+answers PDF link annotation
- https://static.s123-cdn-static.com/uploads/4380209/normal_5fcc104eac9d4.pdfIn PDF document text
- http://tilosag.mypressonline.com/teluruxagonipos.pdfIn PDF document text
- https://tisemadu.weebly.com/uploads/1/3/4/3/134387657/be3bec.pdfIn PDF document text
- http://tibagisuminove.sportsontheweb.net/19624620907.pdfIn PDF document text
- https://wegakerovosa.weebly.com/uploads/1/3/0/8/130873826/taval.pdfIn PDF document text
- http://nogeturafo.sportsontheweb.net/71534034958.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4412158/normal_60048bf97e6a0.pdfIn PDF document text
- https://wavigijaburejuw.weebly.com/uploads/1/3/4/5/134588531/3800807.pdfIn PDF document text
- http://zimezobot.getenjoyment.net/mizo_customary_law.pdfIn PDF document text
- http://debuged.mywebcommunity.org/90696678262.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4460070/normal_5fc962683d56d.pdfIn PDF document text
- https://puxasuzad.weebly.com/uploads/1/3/4/3/134352875/6509704.pdfIn PDF document text
- http://jijuduli.mywebcommunity.org/54170728018.pdfIn PDF document text
- http://punavuvipufov.sportsontheweb.net/24326378888.pdfIn PDF document text
- https://xorizelipuv.weebly.com/uploads/1/3/1/6/131637744/3903237.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://042e50b4-45d0-4577-915a-c14d43ab21ad.filesusr.com/ugd/18f527_87ac239a23cc43e28a81f4e5c99d1827.pdf?index=trueIn PDF document text
- https://e1eccfe9-8888-4f52-a155-e9c8e84e0752.filesusr.com/ugd/4fb05f_53bb86a79f4d45e0bf0a42a923012abf.pdf?index=trueIn PDF document text
- https://7ef7ebf0-bcb0-4ca2-8538-5a19c3e9f01c.filesusr.com/ugd/aff7ca_fb5a0d87e13b4496ad8c0f02454f6788.pdf?index=trueIn PDF document text
- http://jokosen.atwebpages.com/libros_apocrifos_del_antiguo_testamento.pdfIn PDF document text
- https://4cf6c2b4-cd84-4b73-83b1-bf7f441162b2.filesusr.com/ugd/e50c99_2631b4fd475f4866b73efaacc3011d0f.pdf?index=trueIn PDF document text
- https://b6f97e74-198a-461d-a312-d71b9712332b.filesusr.com/ugd/a2d007_d09b2426c4d94a869a4e5277fbe3e708.pdf?index=trueIn PDF document text
- https://45180a89-8b92-4d54-a4c6-cdf0ad6af3c7.filesusr.com/ugd/2b98a3_c6c09b512e214a0a8fb2309dd05c4243.pdf?index=trueIn PDF document text
- https://8eccd3b7-fb20-4588-a5b5-4d8c58591879.filesusr.com/ugd/0e6328_3b37389052ee4a1abddea6c268b5636f.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_off00011ffc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FFC | 4984 bytes |
SHA-256: d67557c08a16f2ed9b7e617435df30896c1053b3ec2e6102244cf31d0dbc7697 |
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font_01_sfnt_off000130f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130F2 | 10796 bytes |
SHA-256: f977b1ad228b74517f3e28f86465b3b2fae866852517df54f2a40b4195345a27 |
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font_02_sfnt_off000155cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x155CF | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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