MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to external websites, with at least one identified as a malicious redirector. The ML classifier strongly indicated maliciousness. The document body, though heavily obfuscated, contains text that appears to be a lure ('Guía ceneval egel medicina general pdf'). The primary attack vector involves directing users to malicious infrastructure via embedded links.
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=gu%25C3%25ADa+ceneval+egel+medicina+general+pdf In PDF document text
- http://files.whitelightempaths.com/uploads/1/3/1/4/131437061/vunur-woguzuwugedobi-ketotilina.pdfIn PDF document text
- http://files.jeniferwall.com/uploads/1/3/0/7/130775084/c7127b48645.pdfIn PDF document text
- http://files.mistressmorgana.com/uploads/1/3/0/7/130739895/387d902f5709bc6.pdfIn PDF document text
- http://files.customordercakes.com/uploads/1/3/1/4/131408899/leresoluxabojog.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/1/0429/6110/9155/files/75026702140.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7106/9594/files/15437195127.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7659/1509/files/jetozirosezu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8545/4750/files/dokefulawotisinipibemusu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1238/2117/files/rexulorasifipojogemipup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1514/3587/files/livupejefusuzofubagapa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3227/3319/files/barizodagavok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1376/6296/files/62443457653.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3038/8642/files/zoxix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7247/0686/files/lepevejesuvorewurema.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8408/6424/files/regenoradedazorazafo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6055/1070/files/jotelo.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000078b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78B3 | 7344 bytes |
SHA-256: 2695c300b94bf8a63f752bb6e2b60d27dd51ef80289acb6f8c23a26d29743e16 |
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font_01_sfnt_off000090e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90E4 | 5136 bytes |
SHA-256: 44ac9cab2870ffe83868dbb7f54fca2cb17475387ec74a7ae36537927ae43795 |
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font_02_sfnt_off0000a246.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA246 | 2856 bytes |
SHA-256: 3859dbb4f3efda5175b5cd8344215d9ffbf99942b235423447794edd4a7812f4 |
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font_03_sfnt_off0000ae1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE1E | 11704 bytes |
SHA-256: 30af675d63e41a50154d1df746cc227dab926a5ce4bd7a731b70dc7d72d85666 |
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