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 0.9996
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://pelibifir.ru/strik?utm_term=cuantas+clases+de+comunicacion+no+verbal+hay PDF link annotation
- https://lejigatoni.weebly.com/uploads/1/3/1/8/131871980/ximiga.pdfIn PDF document text
- http://suporefebakibur.mygamesonline.org/tratamiento_de_balanitis_candidisica.pdfIn PDF document text
- http://bivaxosufuxibo.mygamesonline.org/wibapinemajemagalam.pdfIn PDF document text
- http://suziterunedoloj.sportsontheweb.net/relarokit.pdfIn PDF document text
- https://rudabukonavapuk.weebly.com/uploads/1/3/4/0/134016662/3e6df921e2.pdfIn PDF document text
- https://jamakebowixon.weebly.com/uploads/1/3/4/4/134477175/gigafep.pdfIn PDF document text
- https://vadurevagide.weebly.com/uploads/1/3/3/9/133999829/bepuludobur-meletaga-rulofigujepuwa.pdfIn PDF document text
- https://pegepigav.weebly.com/uploads/1/3/4/4/134481067/48c39d.pdfIn PDF document text
- http://duzusedolatepe.mypressonline.com/bruchgleichungen_lsen.pdfIn PDF document text
- http://kumajamefe.getenjoyment.net/palovo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://e40da922-b0e4-44be-9878-2d4898ccab21.filesusr.com/ugd/3a38e0_fcd1108c6cf04098bb3faa4d728e6ffe.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/03dec4dd-b90e-4e3c-80da-c0192ba770bc/adobe_photoshop_cc_advanced_tutorial.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2fb26354-65d4-484e-95be-b1c9b8c58d1a/79111696220.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8dea39f1-9fed-4869-bd8c-186d805f6eae/what_is_the_healthiest_frozen_meal_to_eat.pdfIn PDF document text
- http://rofuvawitarul.atwebpages.com/strategic_planning_models.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eac956ca-93d5-463c-81ed-ddfe56d5f864/zukamodop.pdfIn PDF document text
- https://37976aa0-f55f-47d3-847a-8d185b13ebf6.filesusr.com/ugd/1d6212_313bc96ff16a4cfda68fe699a7d074e1.pdf?index=trueIn PDF document text
- https://a5fc3680-5c08-4cda-bd6c-abaa3bdf25bc.filesusr.com/ugd/ea5d7b_0030fa0fce88434093ce492fdb7c5d18.pdf?index=trueIn PDF document text
- https://6bc553e5-d0de-4278-827a-c77c8eb32fbd.filesusr.com/ugd/4a6c57_6ad5cbb8e966426d9671cabe68a4c33f.pdf?index=trueIn PDF document text
- https://f77c8dad-41d7-4a8f-8d8d-c05149a3a236.filesusr.com/ugd/36d413_907f07b17a344341b78a4a97b26426a3.pdf?index=trueIn PDF document text
- https://5ce19dfa-329f-495d-88d1-e1e7834d9072.filesusr.com/ugd/d902bb_2af1c190eb2344a59eaf32adca11169b.pdf?index=trueIn PDF document text
- https://238a82c5-85a8-4641-a991-2f0f5270ddc4.filesusr.com/ugd/63f22d_5afde5005692498986a08092eb3c2622.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/152cee87-69e0-42cc-bb30-e5104d1e70c7/41221333217.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_off00015da1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15DA1 | 5388 bytes |
SHA-256: cf4ad397ab2d5bb8d84d6022b938e08948d3973ebf30f17f4e5b5dbe7f9ff57f |
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font_01_sfnt_off00016fc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16FC8 | 13312 bytes |
SHA-256: 19c9978633823792ba7d68484ecb9eec0623b236365cf48654f14acf1a4ea6cf |
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