MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of such links. ClamAV and ML classifiers also flagged this file as malicious, specifically as a phishing trojan. While no scripts were directly extracted, the presence of embedded URLs and the overall structure suggest a malicious intent to drive traffic to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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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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://bologen.ru/award?keyword=spread+spectrum+techniques+pdf PDF link annotation
- https://nopuxexej.weebly.com/uploads/1/3/4/4/134498230/jinopas_tifososafufa_zagovogexidat_karetum.pdfIn PDF document text
- https://bokenupipanedi.weebly.com/uploads/1/3/1/4/131483400/4088802.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458839/normal_601fd2e5ae7b3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450037/normal_605f991373221.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4481068/normal_5fc74a2e5a28e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475864/normal_5fd5fec73680e.pdfIn PDF document text
- https://ximuvibimujobu.weebly.com/uploads/1/3/2/6/132695583/4556878.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4479679/normal_6027e7cfcc5e8.pdfIn PDF document text
- https://worubagazew.weebly.com/uploads/1/3/4/6/134639575/1529198.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366018/normal_5fe4fed4f3d2d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443357/normal_6042230173e46.pdfIn PDF document text
- https://fiverepibimasi.weebly.com/uploads/1/3/4/8/134893498/lowoferilabiveniw.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4443588/normal_5fefa203f3ba8.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/bulikowexunepov/dividing_integers_worksheet_doc.pdfIn PDF document text
- https://s3.amazonaws.com/xifabilejilab/51999248156.pdfIn PDF document text
- https://9387bd13-3746-4408-b474-2867f26e464d.filesusr.com/ugd/ace02d_a6f64c8100be412ea49bd90dd0402c97.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jazuravazaguz/louver_sheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/10900d84-6a80-4ed7-9c4a-85de0b05f7e4/3250409009.pdfIn PDF document text
- https://901c4554-6fda-40bf-8344-1f1538f5dc06.filesusr.com/ugd/a76634_cbe10bc0bd2247c3a682f46b100b35b8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ea72d37e-b740-4724-b62e-6294f83971b2/7131972744.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0c0b665f-6834-4366-af07-808d6fecbeed/zexevokot.pdfIn PDF document text
- https://s3.amazonaws.com/makixibawumebol/nukomukibimodamoxojopoxov.pdfIn PDF document text
- https://s3.amazonaws.com/mafavuzenoliki/17530025608.pdfIn PDF document text
- https://0dd4521b-3e41-4083-9bcc-807cce03ae78.filesusr.com/ugd/cfe2e9_a89389da656c49b4955457207a21cfde.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/81761a2f-4eec-4e8c-999e-ea1d4428e828/finding_missing_angles_in_triangles_and_quadrilaterals_worksheet_tes.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_off0001213f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1213F | 5592 bytes |
SHA-256: 5728f7d808fafb7a3cbdba56818938edb2880b3bdcb21d4855909b4cee6b81a6 |
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font_01_sfnt_off00013416.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13416 | 11064 bytes |
SHA-256: d9dac0bbde0cf4122dcb75a3ef07c610530745f6d1d85ebba3ee8faadf61b187 |
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