MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with many links pointing to other PDFs hosted on various domains. One of the primary links redirects to a known malicious URL, ttraff.ru, which is likely used to distribute further malware. The ML classifier strongly indicated maliciousness, and the presence of numerous SEO-optimized PDF links suggests a coordinated effort to lure victims.
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=evowars.+io+mod+level
- http://files.iamlegacy.net/uploads/1/3/1/4/131483019/c6b27585.pdf
- http://files.scsreadingschool.org/uploads/1/3/0/7/130775413/4149134.pdf
- http://garamunus.eyespeak.org/uploads/1/3/1/3/131383629/4519431.pdf
- http://files.aya-technologies.com/uploads/1/3/2/8/132815178/fezezerex_romiwawaja_vujapunusaf.pdf
- http://files.northforsythdeca.com/uploads/1/3/2/6/132695472/1899505.pdf
- https://cdn.shopify.com/s/files/1/0440/5706/7685/files/fapukowodotidusavikafo.pdf
- https://cdn.shopify.com/s/files/1/0434/7281/4245/files/mafimuloko.pdf
- https://cdn.shopify.com/s/files/1/0437/7572/1629/files/evenrude_trolling_motor.pdf
- https://cdn.shopify.com/s/files/1/0431/8330/8955/files/fexelelubamabera.pdf
- https://cdn.shopify.com/s/files/1/0441/2506/1272/files/evaluating_algebraic_expressions_word_problems_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0431/6043/6887/files/82306476669.pdf
- https://cdn.shopify.com/s/files/1/0430/9562/1796/files/71954778356.pdf
- https://cdn.shopify.com/s/files/1/0439/1757/4299/files/malaria_microbiology.pdf
- https://cdn.shopify.com/s/files/1/0434/1157/0838/files/c_infix_to_postfix.pdf
- https://cdn.shopify.com/s/files/1/0432/3724/5086/files/1092321220.pdf
- https://cdn.shopify.com/s/files/1/0431/5168/7848/files/mipukug.pdf
- https://cdn.shopify.com/s/files/1/0435/7586/9599/files/simple_business_plan_template.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_off00005aea.binc2566464f5a178239538fdc6733200c26a42d123505e4fa5cffcaf40e7933d43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AEA | 5112 bytes |
font_01_sfnt_off00006c4e.binb44ab74407b3775bc10f3b5b427a363b28730f97e0a394202813fab2cd4bd46c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C4E | 10528 bytes |
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