MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link that redirects to a malicious URL, identified by heuristics as a redirector for free download phishing. The ML classifier also strongly indicated maliciousness. The primary IOC is the redirector URL, which is likely used to lure victims into clicking through to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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.me/pify?keyword=shoe+print+png In PDF document text
- https://cdn-cms.f-static.net/uploads/4378152/normal_5f8bc570b861d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384167/normal_5f9183bb88664.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/121eb3bc-bfb9-4795-b075-a70ceb4fba48/776770454.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3424a2b2-761c-444e-aaec-ba69976dcb94/matriz_involutiva_definicion_y_ejemplos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4ea18d37-ab3d-4ca0-b967-0515905f83b1/sisilikegabozu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/24ebc776-0ca2-4598-829c-1d4e1e2058db/wesopemujenevoxovusubiv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4714ddb7-11bb-48de-b84f-aaed871ab567/luzavusokakuzuratorub.pdfIn PDF document text
- https://s3.amazonaws.com/leguvefu/99651425200.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f556ba3a-2604-4b87-8774-ffcdfea95578/diwuzejexepeviwadudelopir.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/438a04be-29a3-46fd-b2a6-76658d285b13/47319163176.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c6eec31b-50d5-48b5-8fab-d08d9804a30a/57087066394.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/691af559-5e3b-449b-9b38-6cfec2417e58/nuvivejatenoz.pdfIn PDF document text
- https://s3.amazonaws.com/kudowo/dodajirokadokamosonuniwe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7a1e9bd8-2187-4ed9-acb3-11e33028de7c/chemistry_structure_and_properties_2nd_edition_chapter_e.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_off0000544d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x544D | 4764 bytes |
SHA-256: 284014dd96863189eb6a99883dcef6d4098df3e64d19d18057358bb17c2e67a8 |
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font_01_sfnt_off00006484.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6484 | 10852 bytes |
SHA-256: 5db06b7fcad4fc37ec82212034a2514453f4c716e99214b22fe496bd32973164 |
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