MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous links to SEO-poisoned content and malicious redirectors, designed to trick users into downloading further malware. The document body itself is heavily obfuscated but contains URLs that are likely part of a link farm or phishing campaign. The primary malicious URL identified is https://cctraff.ru/mozel?keyword=second+law+of+thermodynamics+in+terms+of+entropy+pdf, which redirects to other potentially harmful sites.
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://cctraff.ru/mozel?keyword=second+law+of+thermodynamics+in+terms+of+entropy+pdf In PDF document text
- http://files.walkersvillechristkindlmarket.com/uploads/1/3/0/7/130739028/3332948.pdfIn PDF document text
- http://fezov.carolineuahn.com/uploads/1/3/1/4/131452988/pobib_kovazerurib.pdfIn PDF document text
- http://files.jenniferconstanceleeart.com/uploads/1/3/1/3/131379420/2457746.pdfIn PDF document text
- http://files.tax-america.net/uploads/1/3/0/7/130776069/7453342.pdfIn PDF document text
- http://files.3800southcicero.com/uploads/1/3/1/4/131437554/dutuvazunufetunuduzu.pdfIn PDF document text
- http://mefogovu.virtu.rocks/uploads/1/3/1/3/131379373/d5bd539ea95c5.pdfIn PDF document text
- http://files.bethlehembaptistchurchsaginaw.com/uploads/1/3/0/7/130776674/wexuganowad.pdfIn PDF document text
- http://pufare.wall-in.com/uploads/1/3/2/6/132696067/guwidotajagipigadi.pdfIn PDF document text
- http://wupilapa.mad4mosaic.com/uploads/1/3/1/4/131407535/ruluvesevumunumu.pdfIn PDF document text
- http://mivev.hopedia-mendministries.com/uploads/1/3/1/6/131636655/kutuzagewuvuror.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/1/0432/2865/9869/files/postoperative_nausea_vomiting_icd_10.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0483/8568/7703/files/square_manual_entry_limit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0462/4021/files/questions_for_ada.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0476/7396/6758/files/novena_a_san_judas_tadeo_casos_dificiles.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_off00006c0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C0A | 5480 bytes |
SHA-256: f22fe2d6b91b280ff58cff8324542bd69871ea2315b1f40da649426ea136d911 |
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font_01_sfnt_off00007e8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E8A | 13952 bytes |
SHA-256: ba4fe5e27c3e75a78267cc874363bcb21fb52240b7a5629fa17cc59e4dc48647 |
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font_02_sfnt_off0000aa96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA96 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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