MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of embedded links, many pointing to disposable hosting, designed to create a link farm. One critical heuristic indicates a link to known malicious redirector infrastructure at `https://dafemum.ru/wix?keyword=little+tikes+race+car+bed+twin`, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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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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=little+tikes+race+car+bed+twin In PDF document text
- https://cdn.sqhk.co/gonolesuzam/NidjiYI/wokelajokijodile.pdfIn PDF document text
- https://cdn.sqhk.co/tumowara/ZRLgjLZ/nasa_spacex_crew_dragon_return_schedule.pdfIn PDF document text
- https://cdn.sqhk.co/jugemito/hcxF9TS/1772554493.pdfIn PDF document text
- http://remont-kvartir-otzyvy.moscow/helter_skelter_meaning_charleslfipc.pdfIn PDF document text
- http://izzzaaa.space/60170083818vdo4l.pdfIn PDF document text
- http://adminhalil.com/5592621302zhnps.pdfIn PDF document text
- http://sarhello.online/html_javascript_template_engine8rx80.pdfIn PDF document text
- https://cdn.sqhk.co/ratufewebu/iaiabge/42429582857.pdfIn PDF document text
- http://microbladingcertificationdfw.org/86344604590yriil.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/kudowo/gatling_performance_testing_report.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f1ce4480-9946-43bf-a50c-1adf977ab610/how_long_to_build_a_website_with_wordpress.pdfIn PDF document text
- https://8eccd3b7-fb20-4588-a5b5-4d8c58591879.filesusr.com/ugd/0e6328_814f05754dbf46f1967152f42d88ec15.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/54b89b30-5583-4fc8-b9c1-45f64342dbcf/odessa_file_ny_obituaries.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5c76e6c3-2e23-4f3d-84b5-66f85cccd01a/which_spin_bike_is_the_best_for_home_uk.pdfIn PDF document text
- https://s3.amazonaws.com/xojafemori/13031994394.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ebacdbca-6458-47f5-b993-dae8f464f619/xufojuzebatavix.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dd7186ed-7c26-472e-b6e1-397d699f3d92/rizavoruxi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0bd442da-407d-43f1-8ee0-957ee0dcaa17/xejawomelavowe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a3591ba3-6271-4526-a5e4-201851f2e378/what_is_the_x-component_of_a.pdfIn PDF document text
- https://f8d4b294-f952-4a11-85e8-0a3036f9bdaf.filesusr.com/ugd/ad8f3a_a3b638eacf314349b972325543cae6ce.pdf?index=trueIn 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e492.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE492 | 5168 bytes |
SHA-256: e9df61037a6d7929a41f77f3fa338da92bbcc8366160b2272b37f710c30c10c9 |
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font_01_sfnt_off0000f644.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF644 | 10592 bytes |
SHA-256: 8cc1b42cb24a3530d982cf86692e6421afc9c0b3b8dcd23a9f0d25ebe640d00a |
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font_02_sfnt_off00011a9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A9C | 16076 bytes |
SHA-256: 2d74c40c36ad004230259722b174a71ae17572c9d5de481b062cd2c3b60ee6d4 |
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