MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links pointing to external PDF files hosted across various domains, many of which appear to be disposable. One critical heuristic indicates that a link points to known malicious redirector infrastructure. The ML classifier also strongly flagged this PDF as malicious. While no scripts were directly extracted, the structure and heuristics suggest a malicious intent, likely related to SEO manipulation or distributing further malicious content via the linked PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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://ggtraff.ru/strik?keyword=mastering+emacs+book+pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4366313/normal_5f87101056bab.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366000/normal_5f870d91c65d8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365525/normal_5f870c56ab2a9.pdfIn PDF document text
- https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/nidisetati.pdfIn PDF document text
- https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/vifotatilaw.pdfIn PDF document text
- https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/mezevoxinokimuwamibu.pdfIn PDF document text
- https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/1392291.pdfIn PDF document text
- https://site-1044503.mozfiles.com/files/1044503/4573169894.pdfIn PDF document text
- https://site-1037282.mozfiles.com/files/1037282/polinedoxo.pdfIn PDF document text
- https://site-1039270.mozfiles.com/files/1039270/27904347225.pdfIn PDF document text
- https://site-1042271.mozfiles.com/files/1042271/43920474902.pdfIn PDF document text
- https://site-1039779.mozfiles.com/files/1039779/45589674197.pdfIn PDF document text
- https://site-1043459.mozfiles.com/files/1043459/nogalifasegibenafix.pdfIn PDF document text
- https://site-1042941.mozfiles.com/files/1042941/11408289931.pdfIn PDF document text
- https://site-1041169.mozfiles.com/files/1041169/86574662568.pdfIn PDF document text
- https://site-1042625.mozfiles.com/files/1042625/28238386857.pdfIn PDF document text
- https://site-1040143.mozfiles.com/files/1040143/gutimutagebutajesiwonu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365639/normal_5f8705c80543d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366007/normal_5f87051811a02.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366321/normal_5f870e336111d.pdfIn PDF document text
- https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/vunud.pdfIn PDF document text
- https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/5401885.pdfIn PDF document text
- https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/vovofofaverun_sawivurovoj_nifawubazox.pdfIn PDF document text
- https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/bupemigimamuvap.pdfIn PDF document text
- https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/bagatazojiz_sidatasofugugor_sofaxazute_gureluf.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000aa3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA3A | 5652 bytes |
SHA-256: 122c153f5fa7bdab4a441b811f9e9fc9380c239f907c8932b0b3989858b22d66 |
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font_01_sfnt_off0000bd5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD5F | 10588 bytes |
SHA-256: 873b9030f21b082a769f993b4e27543497915269694cd574e2ed19e27a53b3d2 |
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