MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links to external PDFs, masquerading as an owner's manual to entice users. The primary redirector URL, 'https://ttraff.ru/wb?keyword=subaru%20forester%202009%20owners%20manual', is flagged as malicious and leads to a link farm designed to distribute more malicious content. The ML classifier strongly indicates maliciousness, and the overall structure suggests a phishing or malware distribution scheme.
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=subaru%20forester%202009%20owners%20manual In PDF document text
- http://files.byronperry.net/uploads/1/3/1/6/131606128/5283932.pdfIn PDF document text
- http://files.bluebarnbbq.com/uploads/1/3/0/7/130740589/bca8965065.pdfIn PDF document text
- http://files.simonemaurerflute.com/uploads/1/3/1/4/131453100/3007555.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://bidaleb.files.wordpress.com/2020/06/45890701441.pdfIn PDF document text
- https://wijekiril.files.wordpress.com/2020/06/37369633410.pdfIn PDF document text
- https://zifapudig.files.wordpress.com/2020/06/33394235689.pdfIn PDF document text
- https://fojajuxebi.files.wordpress.com/2020/06/81263412263.pdfIn PDF document text
- https://luxosufibip.files.wordpress.com/2020/07/dovabudisanosonudivepupex.pdfIn PDF document text
- https://mobulafa.files.wordpress.com/2020/07/wifeguro.pdfIn PDF document text
- https://fujovigu.files.wordpress.com/2020/06/maluziredos.pdfIn PDF document text
- https://tasazobobeg.files.wordpress.com/2020/07/22130257891.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6114/9850/files/lunazanexanimezol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0792/5654/files/45573726844.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2286/7880/files/41913747942.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4228/3432/files/15869897364.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1125/2132/files/maxedulusobukagapiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9391/6837/files/56724805788.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7442/8827/files/37990626779.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2371/9845/files/kuzitup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7316/6744/files/30976657094.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2739/0887/files/lareno.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_off0000641f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x641F | 5512 bytes |
SHA-256: 1129a3be420bfbaf6a57471c80dbbb8599c9e5b89355f110bc9c523c2b2383f7 |
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font_01_sfnt_off000076cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76CB | 10264 bytes |
SHA-256: b088cc7852745671052862e0015312924f0899a6e187ccd82a56ec1d95166448 |
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