MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of embedded links, with one pointing to known malicious redirector infrastructure. The ML classifier strongly indicated maliciousness, and the document's structure suggests it's part of a link farm, likely intended to distribute malware or engage in SEO manipulation. No scripts were extracted, but the presence of numerous external links is a strong indicator of malicious intent.
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://ttraff.ru/pify?keyword=capnodium+sp+pdf In PDF document text
- http://files.stitchmastersltd.com/uploads/1/3/0/8/130813923/4f5fc437a4.pdfIn PDF document text
- http://files.troutbum.ca/uploads/1/3/2/7/132710655/046c6686a.pdfIn PDF document text
- http://files.bhenergyshootout.com/uploads/1/3/1/1/131163976/7514162.pdfIn PDF document text
- http://files.megansbakeshop.com/uploads/1/3/1/4/131437981/ccc61b.pdfIn PDF document text
- http://files.fabfactoryaz.com/uploads/1/3/1/4/131438641/kifesavuze_mopuzegipulix_fijemowezukiguw_ralajajuk.pdfIn PDF document text
- http://files.practicallywholesomerd.com/uploads/1/3/2/7/132741433/zogepaka_bukeluditagu.pdfIn PDF document text
- http://files.heartofillinoisorff.org/uploads/1/3/1/3/131379371/9586210.pdfIn PDF document text
- http://files.nt-307.com/uploads/1/3/2/3/132302892/dac89e7ce2184ad.pdfIn PDF document text
- http://files.shadowoodgolfshop.com/uploads/1/3/2/6/132696080/9925377.pdfIn PDF document text
- http://files.maritzavives.com/uploads/1/3/2/8/132815346/zotowelew_lotavapibo_zevubebesoden_sodagufeje.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://wexowugo.files.wordpress.com/2020/06/15484011804.pdfIn PDF document text
- https://xudunonuv.files.wordpress.com/2020/07/79624658479.pdfIn PDF document text
- https://dupelutifor.files.wordpress.com/2020/06/babepavazosuti.pdfIn PDF document text
- https://zetigerut.files.wordpress.com/2020/07/noditofosatem.pdfIn PDF document text
- https://xobezamofud688134818.files.wordpress.com/2020/06/tugixodot.pdfIn PDF document text
- https://podanowusotu.files.wordpress.com/2020/06/33312228407.pdfIn PDF document text
- https://mazokotafon.files.wordpress.com/2020/06/zaxemuxagopilavitogap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/87960197539.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zurutadodusabexefiba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8580/0358/files/93607634997.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2816/0420/files/ribinojulamazaremepo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zutazalurofesavasa.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_off00019900.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19900 | 4764 bytes |
SHA-256: adfb456b4a72c0f19501eb639003cc4b05855b0591dca9cf93bb38fc8d5941c3 |
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font_01_sfnt_off0001a90c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A90C | 15976 bytes |
SHA-256: 0d5c2d7c19aea24b8f704d5ff3071c1617273af27931a356fcfa8e20441fe5a4 |
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