MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=citadel+color+chart+pdf'. This URL is designed to lure users under the pretext of providing a 'Citadel color chart pdf'. The document body, though heavily obfuscated, contains this URL, reinforcing the malicious intent. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute the malicious content.
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=citadel+color+chart+pdf In PDF document text
- http://fexiv.michellefairley77.com/uploads/1/3/0/7/130775734/gujemovuduw-miwosolorabakez-rubewebeme.pdfIn PDF document text
- http://vunireve.ftlservices.com/uploads/1/3/0/8/130874163/6913391.pdfIn PDF document text
- http://files.bigcreekbulldogs.com/uploads/1/3/0/7/130775431/vexepivujesu.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/1/0431/4457/7178/files/revamixivugasinez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2976/6039/files/perivawurus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3258/9989/files/sujizaretesuwodis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2021/2645/files/despite_grammar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9263/0940/files/cambridge_primary_english_stage_1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9199/2481/files/59710529592.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8484/1124/files/jurowotoxugagoboruxagedil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6919/1832/files/vonagagilelufevilofivu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1223/5174/files/13365336318.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1540/4702/files/tiluv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7392/9378/files/mysql_import_sql_file.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_off0000a7f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA7F3 | 4768 bytes |
SHA-256: b31ef0ef4b052e4bf09e39c4793ee94a427d0eaa23203dc414b3b960b212ac64 |
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font_01_sfnt_off0000b835.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB835 | 1800 bytes |
SHA-256: daad3f347a4f42f432ee9983e619a7c063e36761dba5934b469418034847e28e |
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font_02_sfnt_off0000c0c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0C3 | 15680 bytes |
SHA-256: 6380566c68664be444fbe235fce0db2410808052789a297dfcba3e7a3543f132 |
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font_03_sfnt_off0000f164.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF164 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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