MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service (ttraff.ru) disguised as search results for a boiler manual. This suggests a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly indicate malicious intent, likely a dropper for further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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ClamAV: Pdf.Dropper.Agent-9268608-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Dropper.Agent-9268608-0
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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=vaillant%20boiler%20manual%20ecotec%20plus%20837 In PDF document text
- http://files.mikesbrass.com/uploads/1/3/0/9/130970015/zegameluwona.pdfIn PDF document text
- http://files.jbd-footwear.com/uploads/1/3/2/3/132303226/sisonulim.pdfIn PDF document text
- http://files.lemonteilrevolution.com/uploads/1/3/0/7/130775959/9121624.pdfIn PDF document text
- http://files.asmorangecoast.com/uploads/1/3/0/7/130738823/nodofofubofexij_feromarasamen_vamulejo.pdfIn PDF document text
- http://files.ron-warren.com/uploads/1/3/1/1/131163514/tawigiz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://mamonuno.files.wordpress.com/2020/07/nanavoluvoguxidolijidaba.pdfIn PDF document text
- https://mumovesutaj.files.wordpress.com/2020/06/68691545576.pdfIn PDF document text
- https://lareberu519560336.files.wordpress.com/2020/06/jidaxepururagutubakele.pdfIn PDF document text
- https://solanimozo.files.wordpress.com/2020/07/4358287405.pdfIn PDF document text
- https://tezojukoj.files.wordpress.com/2020/06/99319626064.pdfIn PDF document text
- https://jatipeku.files.wordpress.com/2020/07/52354282885.pdfIn PDF document text
- https://vonizubu.files.wordpress.com/2020/07/jekurasutanurazu.pdfIn PDF document text
- https://sajaxuf.files.wordpress.com/2020/07/36835772475.pdfIn PDF document text
- https://donikurala.files.wordpress.com/2020/07/kumopaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/midotikonujeriruzopa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7113/6154/files/988421284.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6197/8023/files/lasegibazavusuwefi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6997/2392/files/61875372480.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2634/1272/files/nobenapomenegil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6498/3703/files/rilufabukenanujejukepi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94393320092.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5584/0409/files/modavipemuvoxe.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_off00007954.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7954 | 5504 bytes |
SHA-256: d7323737c9a61d43545d1ad0148c5a1add8ec962e1e94585bb500ac7429ff1f7 |
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font_01_sfnt_off00008be8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8BE8 | 13472 bytes |
SHA-256: 4be7e8ce203a94731379c065f314cc71b17c339e759e30b6ad50155a5ec4c3ad |
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