MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a significant number of embedded links, identified as a link farm, with a critical heuristic firing for malicious redirector links. The primary malicious URL identified is ttraff.ru, which likely serves as a redirector to further malicious content. The ML classifier also strongly indicated maliciousness. No scripts were extracted, limiting the analysis of direct execution capabilities.
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=soy%20yo%20soldado%20de%20jesus%20lldm%20pdf In PDF document text
- http://files.artistiquedanceacademy.com/uploads/1/3/1/6/131606395/ziwun.pdfIn PDF document text
- http://files.angelintuitivereader.com/uploads/1/3/1/3/131398193/mojavunoju.pdfIn PDF document text
- http://files.marriedmarks.com/uploads/1/3/2/8/132816158/wawezanuz-titun-resuta-ponupax.pdfIn PDF document text
- http://files.cvdm.info/uploads/1/3/2/6/132681882/3437217.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9173/8277/files/36861364894.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6513/0658/files/niwefexunadujavopugujufa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6078/1465/files/23680219622.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7086/6087/files/jukelam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4746/1788/files/94717585462.pdfIn PDF document text
- https://lexaxawo.files.wordpress.com/2020/06/vusagasimimezo.pdfIn PDF document text
- https://jatipeku.files.wordpress.com/2020/07/47634779280.pdfIn PDF document text
- https://nisawutuvava.files.wordpress.com/2020/06/80395733819.pdfIn PDF document text
- https://fazirigiguza.files.wordpress.com/2020/07/40713460992.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5759/4016/files/66589843539.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1042/4993/files/fiwolexususijupow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xigidewepiwunabifaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8439/9270/files/dajefuwubu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7899/9446/files/74893453740.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8704/4510/files/mijisitemi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xodujanizovu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5794/6519/files/90091388633.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_off00005c92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C92 | 5020 bytes |
SHA-256: 1638159899beda67c8bf283e71ce7c77ab07bd9536691d07d94eb29794e0945f |
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font_01_sfnt_off00006dc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DC1 | 11616 bytes |
SHA-256: 9a9d10e78186908ca5fe97e01f4b47d842997bd2193835c40e323f66033be1d7 |
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