MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded URLs, with one identified as a malicious redirector. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags the URL https://ttraff.cc/pify?keyword=guia+ada+diabetes+espa%25C3%25B1ol+pdf as malicious. Additionally, the PDF_SEO_LINK_FARM heuristic indicates a large number of external links, suggesting an attempt to obscure the malicious destination or engage in SEO abuse for traffic generation. The ML_NYX_PDF_MALICIOUS score further supports the malicious nature of the document.
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/pify?keyword=guia+ada+diabetes+espa%25C3%25B1ol+pdf In PDF document text
- http://mikij.surfacedesignbymaryjane.com/uploads/1/3/1/1/131164250/gakeranozerogoka.pdfIn PDF document text
- http://files.camrapenn.org/uploads/1/3/0/9/130969061/fcb59b.pdfIn PDF document text
- http://fosomori.steveleonard.co.uk/uploads/1/3/0/7/130776445/kigizipapuvi.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/1/0438/0393/4877/files/27980433775.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4444/5092/files/chinese_alphabet_pronunciation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2833/3212/files/principios_da_administrao_cientifica_taylor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7361/7568/files/danitaferedonozozemu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3741/5829/files/alkanes_list_and_structure.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2312/3100/files/caprice_24.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/10467311815.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1357/0709/files/zupujala.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6884/2393/files/41224298356.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8089/8973/files/46110656018.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7002/9975/files/input_file_accept.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006cc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CC5 | 5324 bytes |
SHA-256: 78d33907fbf4639827c9b6ba5b1470e328f523d4d63e8d5dec815bf312f8a59c |
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font_01_sfnt_off00007eb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EB3 | 11428 bytes |
SHA-256: c68e7c52fdba7ab164c65d87e893664105f7dc46a71b3c5d5d0af67b464d7ba3 |
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font_02_sfnt_off0000a41a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA41A | 16096 bytes |
SHA-256: 2fa4f296fe9e38b1bea2264e65e06c45fbbf4edfcb32b68fd436b1108ab95b01 |
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