MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that point to a known malicious redirector, identified as 'ttraff.ru'. This redirector is likely used to obscure the final destination, which could be a phishing page or a malware download. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of outbound links, many of which are to benign Shopify URLs, suggesting an attempt to disguise malicious links within a larger, seemingly legitimate link farm. The ML classifier also strongly indicated maliciousness.
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=bedenkenanmeldung%20vob%20pdf In PDF document text
- http://files.mtalamasleal.com/uploads/1/3/2/6/132696112/2964229.pdfIn PDF document text
- http://files.icarusdesigns.com/uploads/1/3/2/3/132303245/4982592.pdfIn PDF document text
- http://files.whitechocolatephotography.com/uploads/1/3/1/4/131454116/vozaxilag_pavunerumiraka.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0437/8945/1425/files/dopoja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2021/2645/files/install_aws_cli_ubuntu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6045/2760/files/9179293787.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7461/7511/files/xenosibuse.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0926/9156/files/pajujuru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2998/7489/files/soser.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3915/2536/files/verusuledotejejapom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5729/9097/files/wotujunejoramuwab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5525/9546/files/48202487845.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8547/1656/files/descriptive_geometry_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5725/0455/files/7486936657.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6171/3813/files/65480420189.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2912/6550/files/87812854439.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000586f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x586F | 5152 bytes |
SHA-256: 78b684444446af32de4e2cb20f439331876a8ec7c9b51e5705747a4aab45b257 |
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font_01_sfnt_off000069e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69E8 | 9776 bytes |
SHA-256: bb6f93cb4fe9fe333e9f4f56cac369d42134b4f1c028b56c7ca3b8655fe5a447 |
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font_02_sfnt_off00008b60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B60 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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