MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, with a critical heuristic firing for 'PDF_MALICIOUS_REDIRECTOR_LINK' pointing to 'https://dafemum.ru/wix?keyword=exorsus+raid+tools+notes'. This indicates the document is designed to redirect users to potentially malicious or scam-related content. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://dafemum.ru/wix?keyword=exorsus+raid+tools+notes In PDF document text
- https://s3.amazonaws.com/zeworibuzoza/bubble_level_tool_android_app.pdfIn PDF document text
- https://s3.amazonaws.com/fidefofudi/molomabukawasoxij.pdfIn PDF document text
- https://s3.amazonaws.com/rupatojuko/powerpoint_templates_progression.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417986/normal_605c6b3408996.pdfIn PDF document text
- https://s3.amazonaws.com/kudowo/juz_amma_surahs_transliteration.pdfIn PDF document text
- http://eushopvmn.site/how_to_start_business_in_pakistanrdq2o.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426966/normal_60029e3a91e1f.pdfIn PDF document text
- http://small-italy.space/nordictrack_exp1000i_reviewlimcu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487658/normal_5fdef6f8b80ea.pdfIn PDF document text
- https://s3.amazonaws.com/bejikefowu/retefipiwetibunupobuzeb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380854/normal_5fd64448c638d.pdfIn PDF document text
- http://jirafka.space/risk_register_constructionyudad.pdfIn PDF document text
- http://foyou.store/what_is_the_new_heaven_and_earthft10u.pdfIn PDF document text
- http://icily.xyz/costos_de_no_calidad_definicion6l6k1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372105/normal_60324efd999da.pdfIn PDF document text
- http://fojibewuf.iblogger.org/joint_commission_report_a_complaint.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://c33c3ce4-fa2f-4f19-9477-7a801b41b29e.filesusr.com/ugd/ebbcbd_bf979889bc0042ecbb5db71f324f9c70.pdf?index=trueIn PDF document text
- https://50bf384a-eeac-4f26-a262-e2ba1a5e00ba.filesusr.com/ugd/17159d_528000529a79422c83b9982c7d7c26d2.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a6329d67-5708-4937-8b9d-c79830671c71/57236013005.pdfIn PDF document text
- https://f55c6975-0091-4942-a106-dc80285e5f9d.filesusr.com/ugd/8a4248_c94eb614b1734ce494373500bee9f1db.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b1949de1-7fa4-4fdf-bd09-e8a0c141efbf/nespresso_usa_machine_plan.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2d7e59d0-434c-4759-920f-915652f254e1/ancient_greece_gods_and_goddesses_names_and_powers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e2c2e4d4-083f-4324-8f0a-2e04a018aa45/75123186878.pdfIn PDF document text
- http://latarugumajovi.epizy.com/nazolizidakubuvo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a5a4532b-0925-4ee7-9e7f-291a02ccf76f/35715627930.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010005.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10005 | 4844 bytes |
SHA-256: 1f56ffe105f3dd9ab697dfccb3173c93275a1befc950a1f29cab733be2a0a4e0 |
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font_01_sfnt_off00011084.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11084 | 2052 bytes |
SHA-256: f71a47484c95d7a8a65244bd51e38c405cd89f9b07b6a5ad15c9a573391ef875 |
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font_02_sfnt_off0001193a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1193A | 11128 bytes |
SHA-256: 1db8c694afcce1f17f5dea296876ce762c3d44806716430c8986acd9aec4aeab |
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font_03_sfnt_off00013f2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F2D | 16340 bytes |
SHA-256: de4d8b2f57bd79f1a868fabda613d9936b110e31710edd4728466090b424b6ff |
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