MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to an SEO redirector, specifically `https://ttraff.cc/wb?keyword=tratamiento%20de%20malaria%20pdf`, which is flagged as malicious. This indicates an attempt to direct users to harmful content, likely for phishing or malware delivery. The presence of many PDF links suggests a link farm strategy to improve search engine ranking for malicious content.
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.cc/wb?keyword=tratamiento%20de%20malaria%20pdf In PDF document text
- http://files.southcoastsporthorses.com/uploads/1/3/1/0/131071035/lotosovunalag-tolemevo.pdfIn PDF document text
- http://files.eliteedu.org/uploads/1/3/0/8/130813582/df5fee6072.pdfIn PDF document text
- http://files.garnerfritsche.com/uploads/1/3/1/1/131163932/3734f74c470328.pdfIn PDF document text
- http://files.handinhandcrafts.com/uploads/1/3/1/8/131871462/sifopawete-virazugetum-xetaf.pdfIn PDF document text
- http://files.glowmedica.com/uploads/1/3/1/3/131383283/6000948.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/1/0428/3600/0931/files/bovazipus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8475/0747/files/90690588565.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6999/7207/files/lasuzomigeganiwowofuvagid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8421/8532/files/tulidarapiliwexizuzefavom.pdfIn PDF document text
- https://letajesuki.files.wordpress.com/2020/06/55220678550.pdfIn PDF document text
- https://mokakofes.files.wordpress.com/2020/06/84538333015.pdfIn PDF document text
- https://gipovaxilapu.files.wordpress.com/2020/07/88456528691.pdfIn PDF document text
- https://numuwaxuwilo94341109.files.wordpress.com/2020/07/wevaj.pdfIn PDF document text
- https://mozivafomew.files.wordpress.com/2020/07/fotida.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2621/1238/files/6316195755.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gerakofidasetivivirodipel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5382/5694/files/donalegitelidezanuma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7153/6285/files/penenoxujuxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8847/8359/files/gugapopajefuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8998/3640/files/gibenerisufusite.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1885/4306/files/96772358919.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_off00007c93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C93 | 4744 bytes |
SHA-256: 64c5be90a9b108418c5a29f2b895aa675bb7f5faf5f3deeccc2379a130510ecc |
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font_01_sfnt_off00008c8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C8D | 11120 bytes |
SHA-256: 5def115b62e5959cc53b379db035f833c7fb5ca7f011d674622bdbf7fa8fbfa1 |
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