MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a redirector service known for malicious activity. The document body, though obfuscated, contains URLs that appear to be part of a link farm designed to lure users into clicking through to potentially harmful sites. The ML classifier also strongly indicated maliciousness.
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.ru/wb?keyword=exotic%20breeds%20of%20cattle%20pdf In PDF document text
- http://files.shibashihighlands.scot/uploads/1/3/0/9/130969728/e3e2b544f8.pdfIn PDF document text
- http://puwezegi.clarobotics.com/uploads/1/3/1/4/131437619/8550711.pdfIn PDF document text
- http://files.iwstreecare.com/uploads/1/3/2/7/132740479/wogupu-zukokitoruwogog-zikezugufada-pubuzesilas.pdfIn PDF document text
- http://files.drinkdrankdrunkgames.com/uploads/1/3/1/4/131455247/tusod-jipel-zobuwarexa.pdfIn PDF document text
- http://files.jctelecom.net/uploads/1/3/0/7/130775292/89937ec0b0dbc55.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In 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/1/0430/5652/9565/files/entrepreneurial_university.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9330/2178/files/approaches_to_risk_management.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5636/4709/files/94661086986.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7506/6274/files/8838291493.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4204/5090/files/vabodapetenirenosevaziles.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9087/8372/files/88174429003.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3551/5290/files/97147258547.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6713/6413/files/genetic_engineering_articles.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0367/4785/files/85829160003.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4874/6651/files/74700733319.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3771/2806/files/accounting_quiz_questions_and_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9879/0301/files/pic_assembly_language_tutorial.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_off0000801f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x801F | 2164 bytes |
SHA-256: 6e54241e78302f9136ecd32ab69589b041936bd57432e3526afcb744f90a4b3f |
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font_01_sfnt_off000089f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89F8 | 4996 bytes |
SHA-256: 2000fa89b79e6f4f4f4a8e083d60c8030e85927f48c609c0c2ee534ed02e1455 |
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font_02_sfnt_off00009b00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B00 | 10208 bytes |
SHA-256: f0de758d6a9caa23b0cbe8d06077271553e52995ff1865039eaadac29639cdf1 |
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font_03_sfnt_off0000bddf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDDF | 4324 bytes |
SHA-256: ad623bc7c681097dfa1224999cf6cc6072d3ca9a137655dc1129b0261f0b357c |
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