MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF document flagged by multiple heuristics and ClamAV as malicious, specifically for phishing and redirecting to malicious sites. The embedded URL 'https://dafemum.ru/123?utm_term=apologise+timbaland+song' is identified as a known malicious redirector. The document body appears to be corrupted or obfuscated, but the presence of malicious links is the primary indicator of compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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/123?utm_term=apologise+timbaland+song In PDF document text
- http://hookup673.site/how_to_obtain_medical_power_of_attorney_in_indianafchz8.pdfIn PDF document text
- http://henrysavbr.site/bebamuvutasurfwec.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374022/normal_5fcfb8aee3222.pdfIn PDF document text
- https://cdn.sqhk.co/zaperarori/4FWkAia/face_mask_required_sign_in_spanish_printable.pdfIn PDF document text
- https://cdn.sqhk.co/novimabe/dwt7Wgh/august_2019_calendar_printable.pdfIn PDF document text
- https://cdn.sqhk.co/xibumediw/Sjcrhhb/312084486.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408704/normal_603c430013d74.pdfIn PDF document text
- http://korsabarca.com/80683004641h93mw.pdfIn PDF document text
- https://cdn.sqhk.co/tilesoxeg/idjdheG/south_african_cv_template.pdfIn PDF document text
- http://shortsomfj.space/slingbox_500_supported_devices74oc1.pdfIn PDF document text
- https://cdn.sqhk.co/zunesunatiri/aMhjI0t/ionic_barcode_scanner_ios_not_working.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://206c1dc7-391c-4b20-ac64-b63c97020fd4.filesusr.com/ugd/87773f_ce793609878f419f8f7bd72f1864252e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/kopisigapub/92760093902.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2305588c-99c5-49b6-bd11-4f974c3a3b45/schlage_keyless_lock.pdfIn PDF document text
- https://e06e8306-d71e-4c92-aa1b-e8c52eeb44cb.filesusr.com/ugd/bc4951_f7bb0f7fac2d4005a122b757748b95b1.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/faluzotixupi/vijem.pdfIn PDF document text
- https://s3.amazonaws.com/xurixado/xazozasojivatamabikala.pdfIn PDF document text
- https://dc273c12-e125-4738-b2e6-b96bc4bd5eb7.filesusr.com/ugd/c8df25_713b60106ddb4c67ba980d820f1c4a27.pdf?index=trueIn PDF document text
- https://33fe1336-4051-433c-b691-b763732126dd.filesusr.com/ugd/6c8f37_369ab9c381e140caa6d6731be16358c4.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/boxujetanonikuv/13507008806.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/426dddd2-7f61-4e77-94aa-6dd81e424027/samsung_q7f_display_specifications.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7e8b0340-2605-43f1-8c42-59fd7d7142b6/bubozopunulajusom.pdfIn PDF document text
- https://54179944-c6a3-49b3-9462-5d1939b6aff2.filesusr.com/ugd/49f5ef_93a6b8835688418983c74bd5844a324b.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011a73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A73 | 5100 bytes |
SHA-256: fc1675ae7744e76a51272e2bfc9fe15a2d8c805baa7bd7450532506a886b6b3b |
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font_01_sfnt_off00012bab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BAB | 13456 bytes |
SHA-256: dff328ffb53632c9960c6bada198060d42cc5ea32590eae8fb01ba580580aaeb |
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font_02_sfnt_off00015574.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15574 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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