MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to PDF files hosted on various domains, which is indicative of a link farm. One of these links redirects to `ttraff.com`, a known malicious redirector. The ML classifier also strongly flagged this PDF as malicious. The presence of a malicious redirector suggests an attempt to lead the user to a malicious website or phishing page.
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=asus+n66u+firmware In PDF document text
- http://files.purplebutterflyphotography.com/uploads/1/3/0/8/130874633/tudavidevejosen-bajinitonon-zamibozu.pdfIn PDF document text
- http://files.henrytyrrell.co.uk/uploads/1/3/2/6/132680852/fuseduwu_piwerisowewosi.pdfIn PDF document text
- http://files.keithrobertson.org/uploads/1/3/1/6/131606789/ridudixu-noxep-kotaxupiv.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/1/0437/6605/5063/files/67046099488.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8526/7097/files/jivufuxixezijidegawabudar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1927/0306/files/vilorenojunoninolu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2335/1458/files/minevajamu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0382/7608/files/98301817359.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2917/6232/files/sabatujafeparanusav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1022/0447/files/bukikixavelufotunosafib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9195/1769/files/mvn_skip_tests.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4445/4051/files/xodidatelizukat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3624/5142/files/rupabi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0130/6526/files/kojovitilizugoxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5335/6955/files/96231351004.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3882/6918/files/keletezemapokojuwerer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5190/0310/files/22932062392.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8579/8301/files/22138008060.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_off0000931f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x931F | 3104 bytes |
SHA-256: c3e834ceaadce2679d5f6c6270867d78e2c37108edaf90cdbd1140e5dc3b22e7 |
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font_01_sfnt_off00009e3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E3E | 5116 bytes |
SHA-256: 1326d33d362912dbd3243add97eb60b0fa7d74ea6666fae9afe705ef79dd82fa |
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font_02_sfnt_off0000af9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF9F | 15868 bytes |
SHA-256: 220711cee943dd23414e5bb65fd41dd1bb590c7967141b57e1be6fe4558e8ac5 |
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