MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, with one specifically pointing to a known malicious redirector at 'ttraff.com'. The ML classifier strongly flagged this PDF as malicious. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute malicious content. The document body is heavily obfuscated, but the malicious URL is clearly visible within the text.
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=capital+humano+definicion+pdf In PDF document text
- http://files.dutchbudha.com/uploads/1/3/1/3/131383456/f7418fd.pdfIn PDF document text
- http://files.singaporeaerosupportservices.com/uploads/1/3/0/8/130873715/pitenutivu-salibi-nasobakod.pdfIn PDF document text
- http://files.stephanieteresesimonmusic.com/uploads/1/3/1/3/131398360/4135744.pdfIn PDF document text
- http://files.earleduskey.com/uploads/1/3/1/3/131381602/piwimumitutuke_demavatuzokigu_nesinepagag.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/1/0431/2865/1938/files/2005_polaris_sportsman_500_ho.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7963/9967/files/kazexekowigifutopetazuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4343/8244/files/acls_card.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/2500557594.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2772/5474/files/66415479200.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3609/0267/files/229980893.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5308/0985/files/jinolenodudowuvon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4637/9426/files/53363959747.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8068/6497/files/accounting_and_finance_terms_and_definitions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3346/8839/files/53744474380.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7870/4536/files/7986008423.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4954/1013/files/treatment_of_meconium_aspiration_syndrome.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2381/0203/files/dopaxi.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_off0000e900.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE900 | 5024 bytes |
SHA-256: 7ffe0848049262402bc3114c44a6bdb94d4a553b0c9b5313f3ea183ffcecf8fb |
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font_01_sfnt_off0000f9f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9F5 | 13792 bytes |
SHA-256: ff689131c218b594c180d052f38a6875e76dc0b8e365324a15ce7ac8d03d2146 |
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