MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document exhibits characteristics of a link farm, with numerous embedded URLs pointing to external PDF files. One of these URLs, 'https://ttraff.ru/pify?keyword=dichiarazione+sostitutiva+di+atto+notorio+eredi+pdf', is flagged as a known malicious redirector. The document's content, though heavily obfuscated, appears to be a lure related to legal declarations, likely intended to trick users into clicking the malicious links. The ML classifier strongly supports the malicious verdict.
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/pify?keyword=dichiarazione+sostitutiva+di+atto+notorio+eredi+pdf In PDF document text
- http://files.mylittlebiblestudy.com/uploads/1/3/1/8/131856398/jinarotutivaxazemem.pdfIn PDF document text
- http://mafalazel.gchschautauqua.com/uploads/1/3/1/3/131379732/969363.pdfIn PDF document text
- http://files.kelseygallant.com/uploads/1/3/1/3/131383823/9874079.pdfIn PDF document text
- http://wudab.exploringoverload.com/uploads/1/3/1/4/131453109/b13a7.pdfIn PDF document text
- http://vigoro.sadiereynoldsceramicdesigns.com/uploads/1/3/2/6/132681218/6139571.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/1/0447/6397/1733/files/22829748238.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5625/1555/files/carbohydrate_metabolism_questions_and_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nitupalakisotubawu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4160/3239/files/aptitude_test_questions_and_answers_with_solutions_in_tamil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1238/2117/files/kerovigokunimuxofoge.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1285/6731/files/not_equal_sql.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7877/0078/files/8699354320.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2558/7610/files/fafinabatusaxokawajepu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0601/7185/files/28216391304.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0957/1990/files/taresarolezemaxurikipe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2131/8818/files/lagonifemurol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2440/8988/files/8049663279.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/1137/0148/files/dekenik.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_off000071d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71D9 | 5320 bytes |
SHA-256: 22286ee2d0e5f4e597aeeb009498e59109aa19cea7cf039385fcf592167d9111 |
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font_01_sfnt_off000083ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83FF | 11076 bytes |
SHA-256: 31f6fbc5a0df044f7e9de532d3a719162c60d704b2a93c14c2afbee5bc4163fb |
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