MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The primary malicious URL identified is https://ttraff.cc/pify?keyword=ukulele+caged+system+pdf. The document body appears to be obfuscated or corrupted, but the presence of numerous links suggests a link farm or phishing attempt. No scripts were extracted from this sample.
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=ukulele+caged+system+pdf In PDF document text
- http://files.kennydale.org/uploads/1/3/1/4/131407284/75e1eee4919.pdfIn PDF document text
- http://files.getpapicuisine.com/uploads/1/3/1/3/131383771/f18e72954d13c2.pdfIn PDF document text
- http://files.tonysconstructioninc.com/uploads/1/3/1/1/131164275/koxekemapejufiluzo.pdfIn PDF document text
- http://files.michelleprocida.com/uploads/1/3/1/8/131856907/dimin.pdfIn PDF document text
- http://files.yorkregencydancers.com/uploads/1/3/1/1/131163669/f797bfa72554f.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/1/0430/0803/2922/files/juvafozabamemasen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7417/4632/files/kivawaneredamukitefemi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7249/5526/files/abelmoschus_moschatus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3905/5253/files/24238598059.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2325/4179/files/born_to_be_wild_tabs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6942/3269/files/20012973448.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7900/7398/files/over_and_over_nelly.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7954/1671/files/zekefalexorutesawu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6622/0956/files/volidojeba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7541/1872/files/63894311300.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2548/1379/files/biztalk_server_2020_unleashed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/4692/4451/files/curriculum_vitae_formato_europeo_compilabile.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2091/0746/files/tisewatolawizisilim.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_off00007734.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7734 | 5536 bytes |
SHA-256: 3395c06cf0755e20adbb570d9f9d85ce1791dd5e2c47ad9c2208a83054f69193 |
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font_01_sfnt_off00008a14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A14 | 10252 bytes |
SHA-256: 65ac34c7a663f022d5901a830992515f1dff632b5c7f7a8e80cb9c3b76a2935d |
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font_02_sfnt_off0000ad59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD59 | 16120 bytes |
SHA-256: fb7b45e24c28c4473d0ca1c6410c593992d9a809009f9c41b5ae32c9142507dd |
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