MALICIOUS
202
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.com) that is flagged as malicious. The document body, though heavily obfuscated, contains URLs that appear to be part of a link farm designed to attract search engine traffic, likely as a lure for phishing or malware distribution. The ML classifier strongly indicates maliciousness, and the presence of redirector links suggests an attempt to obscure the final malicious destination.
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.com/pify?keyword=chemistry+lab+book+pdf In PDF document text
- http://files.africansafariimports.com/uploads/1/3/1/4/131407227/duxepad.pdfIn PDF document text
- http://files.quietcountryestates.net/uploads/1/3/0/7/130775522/bafomojigetolo-wutojum-kibaluwiwesax.pdfIn PDF document text
- http://files.blueridgecanineservices.com/uploads/1/3/0/8/130813373/werobube_fotigopunonino.pdfIn PDF document text
- http://files.noelandjackiesjourneys.com/uploads/1/3/1/4/131407445/7205449.pdfIn PDF document text
- http://files.onelasalle.com/uploads/1/3/1/4/131438142/duxezivelevu-jasinobelojopo-lodusolipur-jusos.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/1/0433/7873/7310/files/14414117649.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4311/9527/files/bulamagovoti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9032/2342/files/3429907213.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5612/8412/files/36983538803.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51906755497.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7620/5209/files/sexidegijipopakorewogak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7321/6411/files/10176276718.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6383/5814/files/desktop_tablet_mobile.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8545/3730/files/28515111326.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6145/8597/files/givugafo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5657/8212/files/kivibiwepitekudoli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8432/4770/files/18131439803.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5564/3813/files/55880133837.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_off000085d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85D8 | 5492 bytes |
SHA-256: 7c39f075fd3018e3aa6307e23d0b922afa3d6a28de1feafdf7172a7a2d129180 |
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font_01_sfnt_off00009856.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9856 | 10276 bytes |
SHA-256: 25b666f057bfe14ce1669cfafc33c2d5e294d4d92155ff86034a5e7fd475b7a6 |
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