MALICIOUS
194
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) that is flagged as malicious. This suggests a phishing or scam attempt, likely using the 'free download' lure to direct users to malicious content. The ML classifier strongly supports the malicious verdict.
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/pify?keyword=bacterial+growth+rate+pdf In PDF document text
- http://kisazosuf.stopanddecide.com/uploads/1/3/2/8/132814930/8352b27354c5146.pdfIn PDF document text
- http://files.chaletalpemassif.com/uploads/1/3/0/7/130775679/vikokof.pdfIn PDF document text
- http://files.marker99.com/uploads/1/3/1/4/131453429/rijijovopu.pdfIn PDF document text
- http://files.wfyouth.org/uploads/1/3/1/0/131070866/fcc58.pdfIn PDF document text
- http://files.venicefloridacorvettes.com/uploads/1/3/1/4/131453021/7d85b851bd67.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/1/0433/0687/7080/files/2934473971.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4117/7252/files/ketonumepunivivijuzago.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3045/2123/files/60864265564.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2930/7293/files/kijebagexateda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/21086069096.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7699/3695/files/aparato_locomotor_y_sus_funciones.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7217/5784/files/57494116258.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4539/4331/files/kefiwomekalanadivorewe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zijuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3120/7837/files/bukimufizonolo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4338/9597/files/levowolumofug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1075/2663/files/rovalemekowadapevoxiruvaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7446/0579/files/xulepipatinuxepimukite.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_off00006755.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6755 | 5060 bytes |
SHA-256: 91861f6ac71584e3085ffb5d6a03e977226e4415c1ff4f6153624183ee12c689 |
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font_01_sfnt_off000078b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78B0 | 10076 bytes |
SHA-256: 7c0fb63cbf6593551d7e0d441b4263f9065c10b9ce1ad7c8b154d77f9f255c68 |
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font_02_sfnt_off00009af7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AF7 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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