MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains multiple embedded URLs, with one identified as a malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' indicates that the link 'https://ttraff.com/pify?keyword=diminutivos+y+aumentativos+primaria+pdf' leads to known malicious infrastructure. Additionally, the 'PDF_SEO_LINK_FARM' heuristic suggests the document is part of a link farm, likely to improve search engine ranking for malicious content. The document body, though partially corrupted, contains the same malicious URL, reinforcing the lure.
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=diminutivos+y+aumentativos+primaria+pdf In PDF document text
- http://files.enzopizarrodesigns.com/uploads/1/3/2/6/132695491/2702735.pdfIn PDF document text
- http://files.cianiscience.com/uploads/1/3/1/3/131382841/tofotimidutu-nuganilexif-bovale.pdfIn PDF document text
- http://files.burrowsmemorial.org/uploads/1/3/1/3/131383319/a9c859aae30.pdfIn PDF document text
- http://files.publichealthbaron.info/uploads/1/3/2/6/132681901/8360923.pdfIn PDF document text
- http://files.nokillhuntsville.com/uploads/1/3/1/4/131455883/jalupi.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/1/0427/9789/1751/files/serasitenidupurigoribatib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0728/7189/files/urc_8820_cisco_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5058/1662/files/react_native_component_lifecycle.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1358/5566/files/lilowozo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8027/8426/files/vukiropuvibuliroteb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3117/5063/files/46444956866.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8151/5673/files/xujogote.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jokopewizemaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7853/3799/files/voripikazip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6406/5188/files/supetaraxupuwumagodu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8679/1334/files/rutotilivubuzanut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2027/1264/files/99405344086.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2011/5358/files/fawujawowurixumoregik.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_off000067a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67A7 | 5316 bytes |
SHA-256: e0e8cbcf1183cade4d7051fe5f1d4fbf9c967459d477cb3f5f8fc91285ef93fb |
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font_01_sfnt_off000079b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79B2 | 2092 bytes |
SHA-256: 9fcfd2b2c12c9d480c0beec3ee39f05b9e518edc5177a7a5fcc68dff0371f8a2 |
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font_02_sfnt_off00008353.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8353 | 10984 bytes |
SHA-256: 6679092ce8eaed775da27ebc6dd3d08b8876c62dc2362f3a28148ef36cf92b94 |
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