MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to external resources, which is indicative of a link farm or redirection scheme. The primary URL, https://ttraff.com/pify?keyword=definicion+de+contaminacion+del+aire+pdf, is flagged as a malicious redirector. The document body, though partially corrupted, contains text related to air pollution and the tool used to generate the PDF, suggesting a lure to disguise the malicious intent. The ML classifier strongly supports the malicious verdict.
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=definicion+de+contaminacion+del+aire+pdf In PDF document text
- http://files.christopherenston.org/uploads/1/3/0/8/130814902/1437365.pdfIn PDF document text
- http://files.baagaadowekwe.com/uploads/1/3/1/4/131437119/11bf86147902.pdfIn PDF document text
- http://files.grownfolkmotto.com/uploads/1/3/0/7/130738919/94ca3.pdfIn PDF document text
- http://files.teamroyalty1990.com/uploads/1/3/2/7/132712234/6436658.pdfIn PDF document text
- http://files.destinationdelicious.com/uploads/1/3/0/7/130775363/2726495.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0434/2625/0917/files/wutabomagiboxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0508/2776/files/jixavagejunofivof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2182/0313/files/99813438205.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1760/7067/files/starboy_the_weeknd_album_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5122/0120/files/65229283805.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0279/7986/files/how_to_type_in_italics_on_discord.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8385/7053/files/network_technician_job_description.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8688/9625/files/mesiloleranepu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1518/4277/files/halter_top_pattern.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9200/0406/files/39652978916.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3145/3081/files/kizofu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3957/2643/files/87508917385.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4884/3929/files/buccal_mucoadhesive_drug_delivery_system.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_off00007319.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7319 | 4912 bytes |
SHA-256: f7c5b841c03c1a16989dc70c372257b48299f57d80a97e62dd82b9340b775cec |
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font_01_sfnt_off000083aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83AA | 11016 bytes |
SHA-256: 1d853ac2aa8b4f166e6271b3b359c73c6bb8215f8209e3674af66d27cc7ad622 |
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font_02_sfnt_off0000a709.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA709 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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