MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or phishing attempt. The presence of the URL 'https://dafemum.ru/123?utm_term=net+framework+4.+0+64+bit+full' further supports a lure for potentially malicious downloads. ClamAV detection and ML classification strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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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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External URI info PDF_URIPDF contains an external URL action
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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=net+framework+4.+0+64+bit+full PDF link annotation
- https://cdn-cms.f-static.net/uploads/4446162/normal_606ac5ba4e025.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374374/normal_6032b9311ede1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391925/normal_604dab15a2e2a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473062/normal_600a6600f04ad.pdfIn PDF document text
- https://ronojunigamedez.weebly.com/uploads/1/3/5/2/135297775/5505005.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470540/normal_5ff82df0b7f96.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383308/normal_60601906bad4a.pdfIn PDF document text
- https://nitowapesapu.weebly.com/uploads/1/3/4/4/134442046/1490247.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://zemenifinabe.pbworks.com/f/pisubu.pdfIn PDF document text
- http://molitutolu.pbworks.com/w/file/fetch/144704040/turo_car_rent.pdfIn PDF document text
- http://tagexoba.pbworks.com/w/file/fetch/144647868/what_is_the_henrys_law_constant_for_co2_at_20c.pdfIn PDF document text
- http://lakejidumap.pbworks.com/w/file/fetch/144702984/imagen_de_ventana_abierta_para_colorear.pdfIn PDF document text
- http://luwapoveduvi.pbworks.com/w/file/fetch/144600606/glencoe_algebra_1_chapter_8_mid_chapter_test_answer_key.pdfIn PDF document text
- http://jajisaparev.pbworks.com/w/file/fetch/144576534/what_happens_in_chapter_3_of_number_the_stars.pdfIn PDF document text
- http://xefobukeza.pbworks.com/f/jadufafajafexufuf.pdfIn PDF document text
- http://fevuxowina.pbworks.com/f/aws_certified_solutions_architect_practice_tests_associate_saa-c01_exam.pdfIn PDF document text
- http://mifimoruzuwo.pbworks.com/f/15890599950.pdfIn PDF document text
- http://tujedet.pbworks.com/f/download_ubuntu_bootable_usb.pdfIn PDF document text
- http://juxivos.pbworks.com/w/file/fetch/144733902/bovuzotimulu.pdfIn PDF document text
- http://veniwusuj.pbworks.com/w/file/fetch/145006569/beach_buggy_mod_app.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_off0000e5e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5E1 | 5416 bytes |
SHA-256: c3a3da0f7db1243f4f7c3dca9b12f95880712b7d55faf250c5bcb53972c5339c |
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font_01_sfnt_off0000f853.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF853 | 1596 bytes |
SHA-256: e80d19f9f3f4c31a7d9518ca1a1cba1f35fe906d77e6bb57fb947f89c2d262bc |
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font_02_sfnt_off00010075.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10075 | 11560 bytes |
SHA-256: 03ce69a34ea4e919f0ad5d01e84695a885468a81ea30fb296db8b52b0388a4e9 |
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font_03_sfnt_off00012656.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12656 | 16152 bytes |
SHA-256: 107dd7461bad0ee7f69ec232d7edbfa51533cbe03462e0930b0bd999c9024e27 |
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