MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to what appears to be a link farm designed to host PDF files. One prominent link, 'https://ttraff.ru/pify?keyword=mechanics+of+materials+6th+edition+pdf', redirects to malicious infrastructure, indicating a phishing or malware distribution attempt. The ML classifier also strongly flagged this PDF as malicious.
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=mechanics+of+materials+6th+edition+pdf
- http://files.noeldouglasorput.com/uploads/1/3/1/4/131409200/matiroweju.pdf
- http://files.emsactors.com/uploads/1/3/1/1/131164202/kaxijum.pdf
- http://files.villa-anggrek.com/uploads/1/3/1/3/131379371/difisudenaborex.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0439/2484/8795/files/jidupaponizatumodot.pdf
- https://cdn.shopify.com/s/files/1/0427/6482/8838/files/87899189988.pdf
- https://cdn.shopify.com/s/files/1/0432/6948/8798/files/wemijuda.pdf
- https://cdn.shopify.com/s/files/1/0428/2312/3100/files/da_31_leave_form.pdf
- https://cdn.shopify.com/s/files/1/0432/0067/6001/files/72682785285.pdf
- https://cdn.shopify.com/s/files/1/0431/8386/6007/files/ximawawidudid.pdf
- https://cdn.shopify.com/s/files/1/0434/2556/2775/files/506538358.pdf
- https://cdn.shopify.com/s/files/1/0432/2358/0831/files/2188950972.pdf
- https://cdn.shopify.com/s/files/1/0439/0571/2296/files/sas_missing_values.pdf
- https://cdn.shopify.com/s/files/1/0431/7567/4024/files/86922021027.pdf
- https://cdn.shopify.com/s/files/1/0430/8035/1897/files/bbg_2._0_free_download.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006684.bin10993032e2336a1253e65c4e6ed1736126f9c7ee2fac23c8b52c1eb01a3e6a12 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6684 | 5552 bytes |
font_01_sfnt_off00007946.bin4e22a34dbeb0aedea2c12797a82ab51f1a1e13ea6181972ee2069d1b3e7059d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7946 | 10288 bytes |
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