MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating malicious redirection and a link farm, specifically pointing to 'ttraff.com' as a redirector. It also employs social engineering by presenting a 'download button' lure and suggesting a browser update is needed, common tactics for phishing or malware delivery. The ML classifier strongly supports the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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/wb?keyword=pdf%20to%20hd%20image%20converter%20free%20online In PDF document text
- http://fedoto.iahaschools.com/uploads/1/3/0/7/130776485/xajem.pdfIn PDF document text
- http://files.pikespeakradon.com/uploads/1/3/0/8/130814055/44b0833603b40.pdfIn PDF document text
- http://files.statenislandfriendshipclubs.com/uploads/1/3/2/7/132712011/xuguz-muwufanubu.pdfIn PDF document text
- http://files.texascoastalexchange.org/uploads/1/3/2/6/132695372/fe55987b.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/1/0431/4952/5149/files/pazarorufutode.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6394/3067/files/58482733653.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0360/8216/files/cuestionario_de_afrontamiento_del_estres.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7878/6965/files/nuregu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0157/6615/files/ncert_biology_practical_book_for_class_12.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8878/1219/files/49082951121.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4104/6171/files/85445693677.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6935/7728/files/laxoniwokuruvudapafa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4817/9611/files/37264684562.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4080/6824/files/40806056740.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_off00006916.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6916 | 5320 bytes |
SHA-256: 069fe64ac3f267c8d90314fb12ff9d11561fa5b6bc54d2cc2d709cb3707830e3 |
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font_01_sfnt_off00007b08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B08 | 9860 bytes |
SHA-256: 6e155049c7525f3d07348518867690821722ca0c2869cc68486700b4474d824f |
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