MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, with one critical heuristic identifying it as a malicious redirector. The document body and embedded links suggest an attempt to trick users into visiting a malicious URL, likely for further exploitation or phishing. The ML classifier strongly indicates maliciousness.
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/wb?keyword=sawdust%20uses%20pdf
- http://metixobor.westhillcommunitychurch.org/uploads/1/3/0/7/130738970/ruvaputejadiminij.pdf
- http://files.marleencampbellbydesign.com/uploads/1/3/2/3/132303019/456091.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0439/5096/4904/files/antibiotics_in_pediatric_dentistry.pdf
- https://cdn.shopify.com/s/files/1/0434/4568/2332/files/1073204073.pdf
- https://cdn.shopify.com/s/files/1/0431/2724/2914/files/absorption_chiller_working_principle.pdf
- https://cdn.shopify.com/s/files/1/0434/8795/3053/files/air_brake_system_in_railways.pdf
- https://cdn.shopify.com/s/files/1/0429/8375/1831/files/wudafenexeziguvol.pdf
- https://cdn.shopify.com/s/files/1/0437/9148/3031/files/adorno_wagner.pdf
- https://cdn.shopify.com/s/files/1/0429/0589/5075/files/zepufevepuw.pdf
- https://cdn.shopify.com/s/files/1/0432/1892/7776/files/fipemugi.pdf
- https://cdn.shopify.com/s/files/1/0454/6474/8184/files/lotuzowamo.pdf
- https://cdn.shopify.com/s/files/1/0431/1141/5959/files/vutuvusipevigul.pdf
- https://cdn.shopify.com/s/files/1/0434/7795/8816/files/marubodolijokobobusujaj.pdf
- https://cdn.shopify.com/s/files/1/0428/8151/5673/files/javascript_detect_browser.pdf
- https://cdn.shopify.com/s/files/1/0431/2068/9306/files/nivinowunofazepef.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fejatomamegebuwugibuvu.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_off000067b2.bin9ed7729031a3e3cea908e773db696ac421c67d0d5e449aad511ebfc2cb82fd64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67B2 | 5104 bytes |
font_01_sfnt_off00007932.bin338e649cd82e7ed5096f0cf5af9c5df3e5ff17018b02235935111a6c4e6781d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7932 | 10616 bytes |
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