MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The primary redirector URL is https://ttraff.com/pify?keyword=complex+numbers+examples+pdf, which is likely used to funnel victims to malicious sites. The ML classifier strongly supports the malicious verdict, indicating a high likelihood of this being a phishing or malware distribution lure.
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.com/pify?keyword=complex+numbers+examples+pdf In PDF document text
- http://viruneget.radio.10losttribes.com/uploads/1/3/1/4/131453850/9674075.pdfIn PDF document text
- http://files.gainfi.com/uploads/1/3/1/0/131070109/kozudege.pdfIn PDF document text
- http://files.schumacherbrothersfencing.com/uploads/1/3/1/0/131070317/838ef66bc19f12e.pdfIn PDF document text
- http://files.weitzelphotography.com/uploads/1/3/1/0/131070911/9354064.pdfIn PDF document text
- http://files.msgeekyteach.com/uploads/1/3/0/9/130969754/8039491.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/1/0433/6936/5654/files/the_hobbit_wall_paper.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9814/4932/files/83126394187.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8865/0142/files/ammonium_sulfate_msds.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3031/3122/files/25911491075.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8298/1278/files/78790445314.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5018/9478/files/xibivuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4687/1974/files/43865826643.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6019/1651/files/networking_objective_questions_and_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4189/0210/files/bounded_rationality_herbert_simon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9243/4343/files/pobemonodavaketolusaferi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7400/8726/files/44375438764.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6582/7747/files/fire_works_animated_gif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0088/7456/files/36071349516.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000074b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74B8 | 5172 bytes |
SHA-256: 7c793c8c4870223aa2d17c3c731aebfb738edd869bc9ceb44b893704e8bf07c8 |
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font_01_sfnt_off00008626.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8626 | 15724 bytes |
SHA-256: 515112e4ed02124e34305729c8efaae075c1ae4413eed215d44da8fcf7e3d65a |
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font_02_sfnt_off0000b790.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB790 | 16124 bytes |
SHA-256: ab685d118e9d0b33767e5607c2d3cbfef219238b2805393651c145cae9583a4f |
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font_03_sfnt_off0000cc8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC8D | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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