MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a link that redirects to a known malicious infrastructure, disguised as a tool to convert radians to degrees. This is further supported by heuristics indicating a malicious redirector and a link farm. The ML classifier also strongly flagged this PDF as malicious. The embedded URLs suggest a lure to a malicious site, likely for phishing or malware delivery.
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=how+to+convert+radians+to+degrees
- http://files.hoaconstruction-services.com/uploads/1/3/1/4/131438177/vimufarepasuka.pdf
- http://files.mtpskitchengarden.com.au/uploads/1/3/2/6/132695388/guwenado.pdf
- http://files.castsalmon.com/uploads/1/3/1/4/131437318/90b85d.pdf
- https://cdn.shopify.com/s/files/1/0433/3862/9270/files/xemozajorezobu.pdf
- https://cdn.shopify.com/s/files/1/0432/8279/2612/files/jaxuxogidagilorunuz.pdf
- https://cdn.shopify.com/s/files/1/0435/9464/5672/files/fegiwujo.pdf
- https://cdn.shopify.com/s/files/1/0433/2729/1544/files/jelubofusus.pdf
- https://cdn.shopify.com/s/files/1/0432/8236/6629/files/85226612784.pdf
- https://cdn.shopify.com/s/files/1/0436/2466/1154/files/gevedesadimokuwelizabuz.pdf
- https://cdn.shopify.com/s/files/1/0436/0785/1171/files/88505357072.pdf
- https://cdn.shopify.com/s/files/1/0434/0688/5027/files/8901852807.pdf
- https://cdn.shopify.com/s/files/1/0429/9925/1093/files/luwabubosekajusanavi.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/39843759369.pdf
- https://cdn.shopify.com/s/files/1/0433/9964/3286/files/zawanilajorusipos.pdf
- https://cdn.shopify.com/s/files/1/0433/3341/9160/files/wovuvakuvasejo.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_off000062e0.bin9f9b2167d5a91b6585aacfa46b9e3113c24c2120d3f3ce170539d33791705591 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62E0 | 5188 bytes |
font_01_sfnt_off000074ae.bin025761b1b926ffcb41ab150e5f1ad8182b756b5853156c8ab9701e3ffa14431a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74AE | 15048 bytes |
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