MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF containing a large number of embedded URLs, many of which point to disposable hosting or known redirectors, indicating a link farm designed to distribute malicious content. ClamAV and ML classifiers also flagged this file as malicious, specifically as a phishing trojan. The presence of embedded URLs and the heuristic firings strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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/strik?utm_term=how+to+refill+braun+cleaning+cartridge In PDF document text
- http://rugegav.mywebcommunity.org/twin_star_international_fireplace_heater.pdfIn PDF document text
- http://megopoveguvujal.medianewsonline.com/68840542567.pdfIn PDF document text
- https://dafubadam.weebly.com/uploads/1/3/0/8/130874240/gilusexaxezo.pdfIn PDF document text
- http://bajesiradevo.getenjoyment.net/fotavabajenonakujog.pdfIn PDF document text
- http://juwaniwabi.medianewsonline.com/2020_nfl_preseason_schedule.pdfIn PDF document text
- https://cdn.sqhk.co/dopiporajen/fUgfYIz/86468150512.pdfIn PDF document text
- http://gefosezidubajoz.scienceontheweb.net/2020_top_romance_books.pdfIn PDF document text
- https://raralulewuk.weebly.com/uploads/1/3/4/4/134478892/bukerokin_jonaniboj.pdfIn PDF document text
- https://cdn.sqhk.co/sofilita/gigfUK4/4034411696.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/b3f35f1a-82d3-4746-9665-7e63907180a9/siridisenatepojapowus.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4fc292dc-3b83-467c-a106-cd4e668b4850/59048636025.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cc49756f-b360-4749-b4d7-fba4a024263a/bujinurovevojatedilusule.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/29cb77bd-9aed-4896-82aa-89c06df28107/best_non_programmable_thermostat_2020.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9ca3d61c-21dd-4104-a6eb-d5f8c085a52e/73308418851.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c788985f-a407-4015-b578-e765cf31a09d/16901704041.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/47c192fa-88a3-4c76-bdf7-e0cef4e9de90/98692054780.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f09dc23b-862d-4d2d-b0e5-a5c13c40eec8/2127144876.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e28ac156-742f-4483-82c1-9f10d18ea01d/tapufogevogorer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4d49d101-5408-4b6c-b500-6e53e5fde961/fighter_rogue_5e_multiclass.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/053ca67b-5f5f-41bf-8402-331f39b8f8cc/how_do_keurig_rinse_pods_work.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_off0000d9e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9E4 | 5204 bytes |
SHA-256: 3f080b5aa6c91f9bdec04a8986f6031f91ce29144df20bb77baf85deed6d2b1b |
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font_01_sfnt_off0000ebb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBB3 | 10932 bytes |
SHA-256: 41055e1abf48497e8c9fdb5a085ac6eff0b529dc9ad4b9360fe68afcd15447e1 |
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