MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded links designed to create a link farm, likely for SEO manipulation or to distribute malware. The primary link redirects to a malicious infrastructure, and the document body itself contains multiple URLs pointing to other PDF files, suggesting a chain of redirects or a downloader. The heuristic firings confirm the presence of malicious redirector links and a link farm.
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/wb?keyword=hubsan%20h502s%20manuale%20italiano%20pdf In PDF document text
- http://files.noamiboutique.com/uploads/1/3/0/9/130969663/a585d01.pdfIn PDF document text
- http://files.unityofpalmyra.org/uploads/1/3/0/7/130775827/0d2098eedc2.pdfIn PDF document text
- http://files.projectufo.org/uploads/1/3/0/7/130739381/4877757.pdfIn PDF document text
- http://files.jordanrowerva.com/uploads/1/3/2/3/132303060/3285296.pdfIn PDF document text
- http://files.julianoshea.com/uploads/1/3/1/4/131453807/jibumojexoje.pdfIn PDF document text
- http://files.marygautreaux.com/uploads/1/3/2/8/132816185/gepewota_bodowififiz_basojapizima.pdfIn PDF document text
- http://files.bahamaschess.org/uploads/1/3/1/4/131452942/3548772.pdfIn PDF document text
- http://files.emilypassman.com/uploads/1/3/0/7/130775341/cf13c03bdc58d.pdfIn PDF document text
- http://files.bambooartscenter.com/uploads/1/3/1/8/131857071/pujeriwetid-napofemerumaw.pdfIn PDF document text
- http://files.albasmadetergents.com/uploads/1/3/1/3/131384771/7292020.pdfIn PDF document text
- http://files.quantumpoint.org/uploads/1/3/0/8/130874031/fexurugomaseba_livorejalolokib_kuluvewowa.pdfIn PDF document text
- http://files.finksdeli.org/uploads/1/3/2/7/132741222/5b0259.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://rezewer.files.wordpress.com/2020/07/18439677824.pdfIn PDF document text
- https://gizefonafo.files.wordpress.com/2020/07/53567216160.pdfIn PDF document text
- https://duxogij.files.wordpress.com/2020/06/58244731466.pdfIn PDF document text
- https://gakazorex.files.wordpress.com/2020/06/bebopovamolivav.pdfIn PDF document text
- https://novebagi.files.wordpress.com/2020/06/fowebewogojulanadenalisu.pdfIn PDF document text
- https://riwopodasi.files.wordpress.com/2020/06/45558527105.pdfIn PDF document text
- https://piwelil.files.wordpress.com/2020/07/60943054933.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/581871399.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/ziwodukujaluladiludu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/27392185694.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_off0000686b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x686B | 5564 bytes |
SHA-256: aaa48e907c36631a63be1fb829ca5a1344f4e8d7d28412e95aaa4c74b5cec529 |
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font_01_sfnt_off00007b21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B21 | 10460 bytes |
SHA-256: 3a032ffbe1d1aba4abe54de00c3eceb11722bcfc58de3b47b449d0c5ae850f32 |
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