MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to a redirector service designed to obscure the final destination. The presence of a 'download button' heuristic and the ML classifier's high confidence score indicate malicious intent. The primary redirector URL is 'https://ttraff.ru/pify?keyword=entrepreneurship+development+book+pdf+free+download', which is used to funnel victims to potentially malicious content disguised as a free download.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=entrepreneurship+development+book+pdf+free+download In PDF document text
- http://files.actamsea.org/uploads/1/3/0/8/130813777/jugizixidomiwaxed.pdfIn PDF document text
- http://files.crueltyfreecuisine.com/uploads/1/3/1/4/131455722/5164090.pdfIn PDF document text
- http://files.eriklamontphotography.com/uploads/1/3/0/7/130739542/begelipalixewagetujo.pdfIn PDF document text
- http://files.military2millionaires.com/uploads/1/3/0/7/130776338/4208728.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/1/0428/2338/5247/files/vukexewudazegazotaku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3287/7976/files/11960928298.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2635/7152/files/tixidixewole.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5486/5320/files/60555618782.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6195/2155/files/zitazawumikopuvutolo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8909/3018/files/ganupuronajugov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5542/3396/files/kuromutewepafuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9159/1321/files/71443464596.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7085/7122/files/heroku_maintenance_mode.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4396/3548/files/pusudomopaxuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6857/1294/files/tijelisolapoviguxedoweweg.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_off00005fcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FCD | 5592 bytes |
SHA-256: 31ced6d5fb2205e3804b7b355d2b60d7af7f8594782ba3f7e0e30d8afdec1863 |
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font_01_sfnt_off000072b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72B0 | 2116 bytes |
SHA-256: 33d80b5e357abfa3ea91f5eff18928953f8e36d8e9a7aea158c838e8ae756dd9 |
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font_02_sfnt_off00007c7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C7A | 12236 bytes |
SHA-256: 3b25f50c9ad45830863a153a23bf88f24e9f6dffae0e2e57c217b1c9308c9041 |
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