MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many of which point to SEO-optimized PDFs, suggesting a link farm or phishing lure. The heuristic 'PDF_SEO_LINK_FARM' and 'PDF_SEO_UTM_REDIRECTOR_LINK' indicate that the document is designed to redirect users to potentially malicious sites. The primary redirector URL is https://baarspo.ru/123?utm_term=bhagavad+gita+chapter+18+in+english+pdf, which is likely used to host or redirect to a malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://baarspo.ru/123?utm_term=bhagavad+gita+chapter+18+in+english+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4366348/normal_603d97d08bbcf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4493541/normal_604cc4e111d42.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486197/normal_602ac96abd4b9.pdfIn PDF document text
- http://sakajutapud.22web.org/tv_channels_apkpure.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459058/normal_60317da841674.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495973/normal_602b5f1097ceb.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://9d76d0c6-5807-43ac-a2ba-7b4112d1a20a.filesusr.com/ugd/5cd33b_a7285d89a8d943cc81becc7b208b5f4f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/babuxufarizuxur/author_s_purpose_worksheets_5th_grade.pdfIn PDF document text
- http://jixolekajes.rf.gd/1736919541.pdfIn PDF document text
- https://s3.amazonaws.com/sojaxub/angularjs_format_number.pdfIn PDF document text
- https://f0f855fd-29d2-4bf6-9fdd-af1de8d1f91d.filesusr.com/ugd/184831_ad58d3e8e675476aa0728dd944e21873.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gajakelegeza/tegonutovebekegarogemigef.pdfIn PDF document text
- https://s3.amazonaws.com/fakuguvil/armored_core_4_answer_mission_tree.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b340f41a-ed7c-4819-8b17-ee7632ee4331/letratag_100t_vs_100h.pdfIn PDF document text
- https://d99c26cc-8c68-456d-a039-1a26994c8d26.filesusr.com/ugd/105a8c_3e952e4592bb444f9215b8542d2d7af3.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a589915d-f709-4309-b92b-2c522909b8e1/how_to_install_bosch_slimline_integrated_dishwasher.pdfIn PDF document text
- http://povovudajax.rf.gd/65143272389.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ed2a1708-8824-46d7-b969-894015e8012a/dovilagubexejukukaxe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/529c3776-b28c-497e-b963-f32ceda10cfc/zobexupim.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e75c85c6-bd5b-4b65-9307-0f85c3562041/nekuvoluzanoz.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f8c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8C5 | 5452 bytes |
SHA-256: ba528516bd79565dfc3b535eb5ebc48c294529923137e8d4acbccb10f46c4866 |
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font_01_sfnt_off00010b4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B4E | 10136 bytes |
SHA-256: e0e6c40a6c19f90c248920a06af76806aba552d6ba31b05416de1eeb50de4a4c |
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font_02_sfnt_off00012e05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E05 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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