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 pointing to disposable hosting, as indicated by the PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics. The ML classifier and ClamAV also flagged this PDF as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The embedded URLs and the nature of the heuristics suggest a phishing or SEO spam attack pattern.
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 http://kewotij.mypressonline.com/xagirisupufasalafevij.pdf In PDF document text
- https://static.s123-cdn-static.com/uploads/4391620/normal_5fe03ab7360ec.pdfIn PDF document text
- https://kotutoxegaru.weebly.com/uploads/1/3/2/6/132695780/ravatubowe-gifupikoxuw.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4497353/normal_601b504cbc692.pdfIn PDF document text
- https://sotinele.weebly.com/uploads/1/3/4/6/134640455/tafado.pdfIn PDF document text
- http://jivusibofonefud.mygamesonline.org/zitidakubegekatunupogosoz.pdfIn PDF document text
- http://newoxoxi.mywebcommunity.org/66986592986.pdfIn PDF document text
- https://lavolobaned.weebly.com/uploads/1/3/0/7/130740571/logowiludur.pdfIn PDF document text
- http://ketaton.mywebcommunity.org/76311184978.pdfIn PDF document text
- https://niniteju.weebly.com/uploads/1/3/0/8/130814631/tojibu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://feedproxy.google.com/~r/wb/ENAH/~3/dN4lCoxrs6M/wb?keyword=wordly%20wise%203000%20book%205%20lesson%2013%20testPDF link annotation
- https://uploads.strikinglycdn.com/files/48d15b9a-465b-4382-be37-0143dde01671/ipod_classic_30gb_5th_generation.pdfIn PDF document text
- http://lopakesuzuw.atwebpages.com/vilogajopiwupumesefirovej.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/62df9e35-6c9b-4a32-bf33-213657c2bf29/monster_island_movie_on_netflix.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9eb4bf83-1ff9-42d2-9f83-f3d1acd14fd8/kokuzoxoxinetopajiba.pdfIn PDF document text
- http://timojodabemisux.myartsonline.com/12180492746.pdfIn PDF document text
- http://limoxukuk.atwebpages.com/universal_laser_systems_pls6.150d_price.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e3b5fe3f-0e7d-4b20-8f6c-9351776571b0/93474939681.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/553cebb4-e83c-431f-aa5f-3860151e772a/noxapakizabagubom.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c64d38ed-0ec0-4106-b310-62ab6933539b/can_i_study_for_cfa_level_1_in_2_months.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/73c12d8d-7e82-47dd-9ee4-16d1362a744b/hp_500_designjet_printer_price_south_africa.pdfIn PDF document text
- http://tudugir.atwebpages.com/boitempo_drummond.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_off0000ca40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA40 | 5504 bytes |
SHA-256: 8deeb02364500eecf6c6ffb23f32538d44f887c5ce15de95e32d238f98a10e7b |
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font_01_sfnt_off0000dd30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD30 | 9880 bytes |
SHA-256: d0bb732eeb09d86a70bde8e3f056ba01eebe60ec10e21df8bb6bf39d7c18f809 |
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