MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links, 'https://ttraff.ru/pify?keyword=asme+conference+paper+template', is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to this URL and other Shopify-hosted PDFs, suggesting a lure to malicious infrastructure. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=asme+conference+paper+template
- http://fuvubol.visualsbyhelen.com/uploads/1/3/2/6/132681352/milogagamokozijewa.pdf
- http://files.synergisticstemoutreachcenter.org/uploads/1/3/2/8/132815002/fivarewenim-vomojem-galijutosujer.pdf
- https://cdn.shopify.com/s/files/1/0430/7199/6053/files/37548429370.pdf
- https://cdn.shopify.com/s/files/1/0432/6857/1294/files/13383231738.pdf
- https://cdn.shopify.com/s/files/1/0433/3525/4170/files/26220873665.pdf
- https://cdn.shopify.com/s/files/1/0431/7632/9373/files/chakra_cleansing_music_free.pdf
- https://cdn.shopify.com/s/files/1/0433/0058/5632/files/roxakizaxuwatuv.pdf
- https://cdn.shopify.com/s/files/1/0431/0866/3462/files/47815467544.pdf
- https://cdn.shopify.com/s/files/1/0427/4146/5244/files/coronary_heart_disease_review.pdf
- https://cdn.shopify.com/s/files/1/0431/6931/7020/files/t._i._paperwork.pdf
- https://cdn.shopify.com/s/files/1/0432/3747/4459/files/biomedicina_grade_curricular.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000063d8.bin5ae49b6ab446e7757409ea01e08102b5c801d3c3895d5f558fc0ba451a043bfb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63D8 | 5152 bytes |
font_01_sfnt_off00007538.binc07c8e531d30a6c841bd25a59369332cdda6320e3d4175c2ec65164aab8d25a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7538 | 10568 bytes |
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