MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to a redirector service (ttraff.ru) which is flagged as malicious. This suggests the document is part of a link farm designed to drive traffic to potentially harmful sites. The ML classifier also strongly indicates maliciousness. While no scripts were extracted, the structure and URL findings point to a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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/pify?keyword=asfixia+perinatal+tratamiento+pdf In PDF document text
- http://files.clear-heater.co.uk/uploads/1/3/1/4/131406751/sejakagetaj.pdfIn PDF document text
- http://files.medfieldheightspto.com/uploads/1/3/1/0/131070190/joridesaz.pdfIn PDF document text
- http://files.mooncityeventcenter.com/uploads/1/3/1/4/131453253/reguwapilixa.pdfIn PDF document text
- http://files.theimperfectmd.com/uploads/1/3/1/4/131452741/romonebuxamur.pdfIn PDF document text
- http://files.daniellerosephotography.com/uploads/1/3/1/4/131437477/nivar-koler.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/1/0437/7634/4225/files/30993744887.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5525/9560/files/vemukotononimavig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0814/8127/files/sugonejidopalil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7073/2950/files/falerixelaxeveziwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3595/9191/files/nusigovetute.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1868/9432/files/61353379459.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9948/8423/files/72876137950.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9444/2137/files/tonojevubezaxafawiwikujo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9617/8845/files/9241730517.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0149/4179/files/58461577200.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9812/0094/files/wefikasovisatisilesa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2692/3172/files/xuxebuzativoxesubijixal.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_off000093e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93E0 | 5032 bytes |
SHA-256: 0f096fac54c5ee64dfd32fb487666f0dc0e36170c78a8bffbef916878351a5d8 |
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font_01_sfnt_off0000a4dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA4DD | 10408 bytes |
SHA-256: 44b4b7bb6ec280b1fdc34dec0d53ae3633553b6553634817a53a125cb63d9c9e |
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