MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by a machine learning classifier as malicious and contains numerous embedded URLs. One URL, 'https://ttraff.ru/pify?keyword=mesotelioma+tratamiento+pdf', is identified as a known malicious redirector. The presence of a large number of external PDF links suggests a link farm or SEO manipulation tactic, likely intended to drive traffic to malicious infrastructure or to distribute further malware. No scripts were extracted from this sample.
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.ru/pify?keyword=mesotelioma+tratamiento+pdf In PDF document text
- http://files.miacastagna.com/uploads/1/3/2/6/132695780/fofugodaxor_vupemu_zepetedod_saxozet.pdfIn PDF document text
- http://files.gsadaptivesports.org/uploads/1/3/1/0/131070011/1dbe53653ad0.pdfIn PDF document text
- http://files.mud-lusciouspotterybymichelle.com/uploads/1/3/0/8/130874480/6299362.pdfIn PDF document text
- http://files.johnthrasherfineart.com/uploads/1/3/1/3/131381881/mijoxekenufo.pdfIn PDF document text
- http://files.yogatreeonthecoast.com/uploads/1/3/0/7/130739275/45ad008.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/1/0431/3006/0955/files/98911639783.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9468/6376/files/29433133744.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2885/7503/files/wojebodoxozovagamexedezug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0159/3502/files/91029469074.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4933/7507/files/96396203617.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0890/9734/files/54069814864.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5835/6639/files/37959365542.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8387/3942/files/97594266032.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9696/5269/files/78287532922.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1455/3763/files/sakixarijunawofamosuxek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0146/2436/files/xunuzuxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1813/3405/files/41997971830.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8774/9529/files/973345145.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0212/5733/files/lenemumuvogefe.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
- https://medlineplus.gov/spanish/mesothelioma.htmlIn 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_off0000c0ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0BA | 4980 bytes |
SHA-256: d843790334c6507a4c8e719d1f214b7a679f4fcdc8dfc821b7119028b093382c |
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font_01_sfnt_off0000d18d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD18D | 11640 bytes |
SHA-256: 494fa8463624e93bd844dbaec0c720b09726cba8e1e5c1442ad37a6c8b8527b1 |
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