MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector service. The primary malicious URL identified is a known redirector, suggesting an attempt to lead the user to a malicious site. The ML classifier also strongly indicated 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/pify?keyword=running+total+java
- http://files.phspiratescheer.org/uploads/1/3/2/8/132815045/182c55.pdf
- http://files.longbacken.com/uploads/1/3/1/4/131483149/sevepod.pdf
- http://files.atmosair-singapore.com/uploads/1/3/1/4/131438056/laluje_rixivafelubono_fevawoperowej_nidogu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/8148/2919/files/59911165360.pdf
- https://cdn.shopify.com/s/files/1/0428/6775/3116/files/39361835754.pdf
- https://cdn.shopify.com/s/files/1/0434/0711/4391/files/vozeju.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/puliwaxaj.pdf
- https://cdn.shopify.com/s/files/1/0434/3624/5144/files/51306626229.pdf
- https://cdn.shopify.com/s/files/1/0434/1058/7800/files/92754704092.pdf
- https://cdn.shopify.com/s/files/1/0428/1673/3340/files/gugitelidamovow.pdf
- https://cdn.shopify.com/s/files/1/0433/7087/2986/files/35622784813.pdf
- https://cdn.shopify.com/s/files/1/0437/6517/0334/files/automotive_ignition_system_pdf.pdf
- https://cdn.shopify.com/s/files/1/0430/3588/5725/files/78099951452.pdf
- https://cdn.shopify.com/s/files/1/0431/3173/2132/files/wabunabarukufoza.pdf
- https://cdn.shopify.com/s/files/1/0430/3867/1010/files/marukinigaf.pdf
- https://cdn.shopify.com/s/files/1/0436/9534/1723/files/rimav.pdf
- https://cdn.shopify.com/s/files/1/0434/5279/2982/files/49506498266.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_off00006f36.bin6d35fd5ea3e25498f4c0d84d9d616e0d2bf9a54103cc0b3ee7d2331eb20c1917 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F36 | 4720 bytes |
font_01_sfnt_off00007f70.bin8e1efc0af528f59da2612f3fbc818beb583f86b246f236b21a90906a27c966d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F70 | 14856 bytes |
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