MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document was flagged by multiple heuristics as malicious, including a critical finding for linking to known malicious redirector infrastructure. The document body contains numerous embedded URLs, many hosted on disposable domains, suggesting a link farm designed to funnel users to malicious sites. While no scripts were directly extracted, the nature of the embedded links and the ML classifier output strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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 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/award?keyword=coupled+cfd+dem+modeling+pdf In PDF document text
- http://bimoriz.getenjoyment.net/34663531588.pdfIn PDF document text
- http://laluwaraselolar.mywebcommunity.org/rotidunekefaxadarira.pdfIn PDF document text
- https://jajadonafusava.weebly.com/uploads/1/3/4/0/134040597/pezuvizibij.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4449183/normal_5ffe9c178aa14.pdfIn PDF document text
- https://cdn.sqhk.co/batumozi/AghVfhg/jowawudi.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4489061/normal_600016de5e1a3.pdfIn PDF document text
- https://cdn.sqhk.co/mejiwimuza/jh4jaiw/traditional_japanese_sword_makers_in_japan.pdfIn PDF document text
- https://digikugububim.weebly.com/uploads/1/3/0/7/130774990/gisuziwaji-gisujeve-fukozumotewakis-vigurewududox.pdfIn PDF document text
- https://cdn.sqhk.co/gobajejuz/eeii791/laser_overload_build.pdfIn PDF document text
- https://vawalebadafi.weebly.com/uploads/1/3/4/6/134660315/7858598.pdfIn PDF document text
- https://pewarefat.weebly.com/uploads/1/3/4/3/134361746/995bb704b.pdfIn PDF document text
- http://tuxosuzarug.iblogger.org/record_player_scratch_sound_effect_free.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://jadupapobixe.epizy.com/what_makes_a_good_common_app_essay.pdfIn PDF document text
- http://kaloruligot.onlinewebshop.net/2014_taotao_110cc_atv_carburetor.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ae840641-63a4-4fbf-b558-647bdea017f8/73201962228.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/61144f46-ce21-4b41-a83e-b5c2648f4f64/wadotijafukikeb.pdfIn PDF document text
- http://nenujogi.rf.gd/958608561.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9c0292af-23f5-4251-bac2-5b59ae74f3d9/34392869645.pdfIn PDF document text
- http://fojakosi.atwebpages.com/13705112340.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA00 | 4896 bytes |
SHA-256: fa4227e70ecfaba67e5a6a6464d0b2ffd08307f174396b65402f07d56e5c3bb4 |
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font_01_sfnt_off0000fa9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA9F | 10948 bytes |
SHA-256: 55b6595ab6cb5b0bcbf5f55e140f1dc79e1624b9920db0db69bbb0fec12e8fc1 |
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font_02_sfnt_off0001206e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1206E | 16088 bytes |
SHA-256: 9900a2061f4db6d5851a1fb623229e1c91a1f2215fec638d1e55d9f0c32ecb7f |
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